CN107575182A - Ram bop position sensor - Google Patents
Ram bop position sensor Download PDFInfo
- Publication number
- CN107575182A CN107575182A CN201710679846.6A CN201710679846A CN107575182A CN 107575182 A CN107575182 A CN 107575182A CN 201710679846 A CN201710679846 A CN 201710679846A CN 107575182 A CN107575182 A CN 107575182A
- Authority
- CN
- China
- Prior art keywords
- flashboard
- preventer
- ram
- cylinder pressure
- data acquisition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 claims abstract description 37
- 238000012360 testing method Methods 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 12
- 238000005553 drilling Methods 0.000 description 13
- 238000005259 measurement Methods 0.000 description 8
- 238000010008 shearing Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
- E21B33/061—Ram-type blow-out preventers, e.g. with pivoting rams
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
- E21B33/061—Ram-type blow-out preventers, e.g. with pivoting rams
- E21B33/062—Ram-type blow-out preventers, e.g. with pivoting rams with sliding rams
- E21B33/063—Ram-type blow-out preventers, e.g. with pivoting rams with sliding rams for shearing drill pipes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
- E21B33/061—Ram-type blow-out preventers, e.g. with pivoting rams
- E21B33/062—Ram-type blow-out preventers, e.g. with pivoting rams with sliding rams
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
Landscapes
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Actuator (AREA)
- Geophysics And Detection Of Objects (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Earth Drilling (AREA)
- Sorting Of Articles (AREA)
- Escalators And Moving Walkways (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Abstract
A kind of method for determining wellhead component motion, including:The relative position of wellhead component is sensed in selected time interval with magnetostrictive sensor.This method includes sending the signal from magnetostrictive sensor to data acquisition equipment, and records the relative position of wellhead component with data acquisition equipment relative to selected time interval.In addition, this method includes with operational data comparing the position of the wellhead component of record to determine whether relative position is desired.
Description
The application be Application No. 200880005319.6, the applying date be on 02 13rd, 2008, entitled " flashboard blowout prevention
The divisional application day of the patent application of device position sensor ".
Technical field
Embodiment disclosed herein relates generally to the instrument of ram preventer.More specifically, embodiment disclosed herein
It is related to the direct measurement of the position of flashboard in ram preventer, speed and rate of motion.
Background technology
Well control is an importance of oil-gas exploration.For example, when a well is drilled, safety means must be in place to prevent
Injury to personnel and device are damaged caused by the accident relevant with drilling activities.
Drilling process includes penetrating the geologic structure or " layer " of various undergrounds.Sometimes well can be penetratingly formed pressure substantially
In the layer that pressure is kept higher than well.When this happens, this mouthful of well is just referred to as that there occurs " well kick ".The stream of formation
Body（It can be the mixing of liquid, gas or both）Flowing into well would generally cause pressure to increase and be accompanied by well kick.Higher pressure
Strong well kick can be upward along wellhole from the inlet point of well（From higher-pressure region to low-pressure area）Propagate.If allow kick to ground
Surface, drilling fluid, well tool and other drilling equipments may be blown out well.This " blowout " can be to drilling rig（Such as wrap
Include rig）Cause serious damage or cause the injures and deaths of drilling implementer.
Due to there is the danger of blowout, therefore well head in ground surface or deep water drilling arrangements seabed is installed above is known as preventing
The equipment of spray apparatus, in order to effectively seal against well until effective measures can be carried out to control well kick.Preventer can be activated
So that well kick is fully controlled and makes it from system " to outer circulation ".There is the preventer of several types, wherein the most commonly used
It is ram preventer and annular preventer（Including spherical blow-out preventer）.
Ram preventer typically has body and at least one pair of horizontal relative cover lid.Cover lid is generally by around its week
Side is for example bolted on body.Alternatively, cover lid can be by hinge and being bolted on body so that cover lid can
Side is rolled over to be safeguarded.The inside of each cover lid is the flashboard of piston driving.Flashboard can be Pipe rams（Start
When, move to and engaged with drilling pipe and well tool and surround drilling pipe and well have to seal well）, or shear ram（During startup, move to
Engaged with any drilling pipe or the well tool in well and physical shear is carried out to it）.Or blank ram（During startup, as gate
Valve equally closes wellhole）.Flashboard is typically located opposite to each other, either Pipe rams, shear ram or blank ram,
Flashboard typically mutually reclines near the heart and sealed in the wellbore, so as to which well be fully sealed.
Flashboard is generally made up of steel and is provided with elastomeric element on the sealing surface.Ram blocks（ram block）It can be used for
It is allowed to seal the various constructions of well.Pipe rams are typically opened in the circle of the middle pipe diameter for having and corresponding in hole
Mouthful, so as to seal up well when pipe is in hole；However, these Pipe rams can only effectively seal the pipe diameter of limited range.
Variable wellhole flashboard is designed to seal larger range of pipe diameter.Various ram blocks can also be changed in preventer, with
It is particular bore cavity portion or ongoing optimization blowout preventer configuration to allow well operator.The example of ram blowout preventer exists
United States Patent (USP) No. 6,554,247, No. 6,244,560, No. 5,897,094, No. 5,655,745, and No. 4,647,
It is disclosed in 002, wherein each patent is incorporated by herein by quoting.
Know hole condition for keeping the normal work of well and predicting generation problem it is very important.Pass through these ginsengs
Number, well can be more effectively monitored so as to keep safe condition.In addition, when detecting unsafe condition, well can manually or
Automatically begin to shut off in good time.For example, the pressure and temperature sensor in transducers blowout preventer cavities may indicate that or predict unsafe condition.
These and other signals are shown in as control signal on the console that well operator uses.For example, well operator can pass through tune
Save the velocity of rotation of drilling pipe, the circulating pump of downward pressure and drilling fluid on drill bit and influence the situation of well.In addition, when hope is closed
When closing ram block, the position for knowing each flashboard exactly for operator is very useful.
A kind of use in the past is sent positioned at closure（It is not necessarily preventer housing）In part relative position letter
Number instruction equipment be potentiometric transducer.This equipment uses one or more sensors, and the sensor easily wears
It is and inaccurate in the presence of a harsh environment.Moreover, this sensor easily lifts from whether tracked surface, this causes
Do not prepare.Further, the loss of power frequently results in the reading of distortion, because these equipment work special revolution or wire
The related value of section incrementally adds deduct to value before.Moreover, such as these equipment is well-known poor high quick-mounting
Put.Therefore, potential measurement is otiose for the accurate location parameter for determining ram movement.In addition, potentiometric transducer
Be not suitable for high-speed applications, thus potentiometric transducer be rarely employed in flashboard monitoring application or without using.
In addition, the incremental measuring devices for only measuring intermediary movements have following inherent defect：Must when power failure occurs
Baseline must be reset to, and does not have accuracy with caused by continuous measurement.
In order to improve the degree of accuracy of measurement ram position, magnetostrictive sensor be used to monitoring and/or controlling flashboard
Position.The United States Patent (USP) No. 5,320,325 and No. 5 being such as incorporated by reference into, described by 407,172, the piston of flashboard
Actuating arm is placed in parallel with fixed magnetisable waveguide.Magnet assembly is around waveguide and is attached to bracket arm, the bracket
Arm is attached to piston tail.
In United States Patent (USP) No. 7,023,199,7,121,185 and 6,509,733, magnetostrictive sensor is arranged on
In the inside opening of sensor ports.Sensor has the inner chamber for extending to piston only and is telescopically received in piston and bar
Pressure pipe in the bar passage of component.
In above-mentioned each patent, the positioning of magnetostrictive sensor is not optimal.For example, in United States Patent (USP) No. 7,
In 023,199, because sensor is extended in the chamber of cylinder body, maintenance is carried out on sensor unit and necessarily requires flashboard not work
Make.Although not entering in the chamber of cylinder body, sensor and the attachment using the bracket arm in United States Patent (USP) No. 5,320,325 can be led
The inaccurate of ram position is caused to measure and the manufacturing cost of ram preventer can be increased.
Therefore, the invention is characterised in that providing positioning or the position of a kind of accurate measurement ram block or ram piston
Improve device.
Therefore, it is necessary to a kind of accurate measurement ram block or the positioning of ram piston or the improvement device of position.
The content of the invention
On the one hand, this disclosure relates to a kind of method for monitoring the cylinder pressure being applied on ram block, methods described
Including：With the relative position of magnetostrictive sensor sensing ram block；Signal from magnetostrictive sensor is sent
To data acquisition equipment；The cylinder pressure being applied to pressure sensing device sensing on flashboard；By from pressure sensing device
Signal is sent to data acquisition equipment；And the sensing of the function of the relative position sensed is used as using data acquisition equipment record
The cylinder pressure arrived.
On the other hand, this disclosure relates to which a kind of method for testing preventer part, methods described include carrying out preventer
Loop test；The cylinder pressure being applied on ram block is sensed and recorded in select location in loop test；And
Sensed in loop test with magnetostrictive sensor and record ram position.
On the other hand, this disclosure relates to which a kind of method for determining wellhead component motion, methods described are included with magnetostriction
Sensor senses the relative position of the wellhead component；Signal from magnetostrictive sensor is sent to data acquisition and set
It is standby；Relative to selected time interval, with the relative position of data acquisition equipment record wellhead component；And by the well head of record
The position of part is compared with operational data to determine whether relative position is desired.
On the other hand, this disclosure relates to which a kind of ram blowout preventer, it includes body；Through the vertical holes of body；With erecting
The intersecting lateral aperture through body of straight hole；A pair of flashboard assemblies being placed in the lateral aperture of body opposite side, wherein flashboard group
Part is suitable for controllably to vertical holes and from vertical holes, controllably horizontal movement goes out for horizontal movement, wherein each flashboard assembly includes
Hydraulic piston, the piston are connected to ram blocks in first end, and piston tail is connected at the second end；Extend at least one work
Fill in the magnetostrictive waveguide pipe in the hole of afterbody；The permanent magnet being placed at least one piston tail；Magnetostrictive waveguide pipe bag
Wire is included to receive the interrogation pulse from sensor, wherein interrogation pulse is in response to relative position of the permanent magnet on waveguide
Produce helical return signal；Wherein sensor configuration is used to receive helical return signal and export to correspond at least one piston tail part
The ram blocks position in portion.
On the other hand, this disclosure relates to which a kind of method for the relative position for determining flashboard, methods described are included in piston tail part
The magnetostrictive waveguide that is bonded with each other in the hole in portion pipe；With at least one permanent magnet longitudinal magnetization waveguide fixed to piston tail
A part；It is pointed to the wire on the inside of waveguide and imposes pulse to produce toroidal magnetic field, wherein when toroidal magnetic field runs into waveguide
Return signal is produced during pipe longitudinal magnetization part；And the relative position of flashboard is determined from return signal.
On the other hand, this disclosure relates to which a kind of method that instrument is added to ram preventer, methods described include removing cylinder
Lid closure；Piston tail is removed from hydraulic ram piston；The piston tail changed is installed, the piston tail of the replacing includes
Hole；The cylinder head enclosure changed is installed, the cylinder head enclosure of the replacing includes instrument port；Magnet assembly is attached to piston
Afterbody；And by magnetostrictive sensor set from the cylinder head enclosure of replacing so that magnetostrictive sensor be configured to
Hydraulic ram piston to move back and forth and engage and depart from piston tail bore.
According to following description and appended claims, other aspects and advantages of the present invention will become clearer.
Brief description of the drawings
Fig. 1 shows the partial sectional view of the ram preventer of prior art.
Fig. 2 is the sectional view according to the ram blowout preventer bonnet component of embodiment disclosed herein.
Fig. 3 is the detailed view of a part for Fig. 2 ram blowout preventer bonnet component.
Fig. 4 depicts a width curve map, and it shows the cylinder of the function as ram gap in accordance with an embodiment of the present disclosure
Body pressure.
Embodiment
On the one hand, embodiment disclosed herein is related to ram preventer, and it includes being used to determine ram position in preventer
Instrument.On the other hand, embodiment disclosed herein relates to determining the position of flashboard in ram preventer, speed, or
The method of closing rate.
Fig. 1 shows ram blowout preventer 10.Shown well casing 12 passes through the central vertical bore 14 of the body 16 of preventer 10, institute
Stating well casing 12 can be a part for drill string at the top of by drilling well or be the one of the flow string of oil or the well under gas product
Part.Body 16 may include transverse to hole 14, relative horizontal channel 18.Horizontal channel can extend out to and be connected to body
16 cover lid 17.What is worked in passage 18 is the flashboard 20 driven by the hydraulic piston 22 in respective cylinder sleeve 23, the cylinder
In the respective hydraulic cylinder 19 that set 23 outwards connects positioned at cover lid 17.Piston 22 can make flashboard 20 past back and forth in horizontal channel 18
Multiple motion on the face of flashboard 20 relative to the surface of pipeline 12 so that open or close packer or wear-resistant gasket 24.Hydraulic fluid
Connecting portion（It is not shown）Worked together with opening room 25 and close chamber 26 with locating rams 20.
As indicated, ram preventer 10 may include the tail portion 28 for being connected to piston 22.The afterbody 28 of piston 22 is in cylinder
Moved back and forth in lid 30, the cylinder cap 30 may be bolted or be otherwise connected to cylinder body 19.
As indicated above, it is desirable to know the position of flashboard 20 or positioned for flashboard 20.This can be by by magnetostrictive sensor
Positioning parts are in hydraulic cylinder head enclosure（It is connected to the cylinder body 19 shown in Fig. 1）It is interior and realize.Those skilled in the art will recognize
Know embodiment disclosed herein and can be widely applied to any ram blowout preventer, or even be applied more broadly in and any use lock
The equipment of plate.
Fig. 2 and 3 is shown to be equipped according to the cylinder cap of embodiment disclosed herein with sensor.Cylinder cap 30 can be connected by screw thread
Connect, weld, flange connection or as known in the art any other connect and be connected to cylinder body 19.Piston 22（Beaten completely at it
The position opened is shown）Piston tail 28 is may be connected to, the piston tail 28, which has, at least partly extends through piston tail 28
Piston tail bore 32.Magnet assembly 38 can be concentric with piston tail 28 and be attached to piston tail 28 by screw 40（
It is non-magnetic screws in some embodiments）.Packing ring 42（Such as O-shaped packing ring）Can be placed in magnet assembly 38 and piston tail 28 it
Between.
Magnet assembly 38 may include two or more permanent magnets.In certain embodiments, magnet assembly 38 includes three
Magnet；Then include four magnets in other embodiments, then may include to be more than four magnets in a further embodiment.
Fixed waveguide 44 can be located in cylinder cap 30, and can extend at least partially into the piston tail of piston tail 28
Hole 32.Preferably, piston tail 28 is radially spaced apart with waveguide 44 so as to not disturb the motion of piston 22 or cause waveguide 44
On abrasion.Similarly, magnet assembly 38 can be radially spaced apart with waveguide 44.In selected embodiment, magnet assembly 38
Magnet can be in the plane of waveguide 44.
In addition, conducting element or wire（It is not shown）It is positioned through the center of waveguide 44.Wire and waveguide can
The sensor 46 being connected to by communications ports 48 outside cylinder cap 30.Sensor 46 may also include guiding line and send inquiry electricity
Flow the appropriate means of pulse.
O-ring between cylinder cap 30 and hydraulic cylinder 19 seals against leakage.O-ring can be additionally used in sealing connection
Connection between port 48 and sensor 46.
When flashboard 20 is axially moved, piston tail 28 and magnet assembly 38 are axially moved identical amount.Therefore, by putting
In the work of magnetostrictive sensor therein, the position of flashboard 20 can be determined on a continuous basis.
On the work of magnetostrictive sensor, magnetostriction refers to some metals（Such as iron or nickel or iron-nickel alloy）
It can stretch or shrink when placed in a magnetic field.When magnet assembly 38 is on 44 longitudinal translation of waveguide, magnetostrictive waveguide
Pipe 44 can have longitudinal magnetized area in outside magnet assembly 38.As described above, magnet assembly 38 includes permanent magnet, it is described forever
Magnet can be located on uniform intervals position spaced apart from each other in the plane transverse to waveguide 44, and relative to waveguide 44
Surface is equally radially spaced.Magnet assembly 38 generate can the certain area of longitudinal magnetization waveguide 44 external magnetic field.
Waveguide 44 surrounds the wire along its axis location（It is not shown）.The wire can periodically be imposed pulse or with this
Well-known mode is inquired with electric current in field, such as passes through the sensor 46 positioned at the outside of closure member 30.This electric current production
The toroidal magnetic field around wire and waveguide 44 is given birth to.When toroidal magnetic field is intersected with magnetic field caused by magnet assembly 38, in ripple
Helical magnetic field is sensed in conduit 44, so as to generate the sound wave pulse propagated to the both ends of waveguide 44.In the end of waveguide 44
Suitable damper（It is not shown）The generation of the echo reverberations of pulse can be prevented.However, on sensor end or head, helicon
Wave guide twist is converted into, lateral stress is applied to by it to be connected to the very thin magnetostriction of waveguide 44 and take.It is known as
The phenomenon of Villari effect causes the magnet magnetic linkage through sensing coil to upset simultaneously cross-line by propagation stress wave on the belt
Circle produces voltage.Sensor 46 can also be in order to measure or control purpose to increase this voltage.
Because current impulse is to approach light velocity propagation, and sound wave pulse is only propagated with the general velocity of sound, compared to head end electronics
Equipment produce electric pulse time, head-end transducer receive each pulse at the time of between existence time interval.This time
Interval is external magnets component 38 from the function with a distance from the sensor side of pipe.Pass through careful time of measuring interval and divided by pipe
Propagation rate, it may be determined that absolute distance of the magnet assembly from the head end of pipe.
In the case of dropout, information is not lost, thus any reading all need not again be zeroed or answer again
Position.Reading is determined by magnet assembly 38 relative to the position of sensor 46 completely.
By the absolute position for being aware of flashboard, it is possible to determine whether flashboard completely closes, whether flashboard is lifted, lock
The recoil or may wear to what journey what degree, and piston mechanism packer or wear-resistant gasket before plate may wear in
Degree.By continuous interrogation pulse, piston shutdown rate or speed, and the rate of motion of piston or acceleration and deceleration can be measured
Rate.
" ram gap " used herein refers to the translational gap between the horizontal relative flashboard of preventer.Selecting
In the embodiment selected, ram gap can be by determining the absolute position of each flashboard（So that the relative distance quilt between flashboard
Calculate）And calculate and record.In the embodiment of selection, ram block position, which can be used to be similar in Fig. 2 and 3, to be shown
Cylinder body and sensor equipment, or determined using any other instrumentation mechanism as known in the art.In addition, flashboard is relative
Position can be transmitted to available for calculating and record the data acquisition equipment of ram gap.In selected embodiment, lock
Sheet separation can be by the spacing distance between two flashboards measuring or calculate（Such as inch, centimetre etc.）Quantify.
In addition, " cylinder pressure " used herein refers to being applied to the hydraulic pressure value on piston, the piston is configured
For closing ram block.So, can be in each position（Such as in different ram gaps）Measurement cylinder pressure simultaneously records.
So, pressure transducer may include according to the preventer of embodiment disclosed herein or is arranged to sense appointing for cylinder pressure
What other equipment.In addition, signal can be transmitted to data acquisition equipment to be recorded in the cylinder body pressure of select location in pressure sensing device
By force.
Alternatively, force snesor can be used for providing and recording actual ram force, and wherein ram force is cylinder pressure
Function.For purposes of this disclosure, cylinder pressure is interchangeably used with ram force, because ram force may be defined as cylinder pressure
It is multiplied by the cross-sectional area of ram piston.
Referring now to 4, a width curve map is shown, it shows the letter as ram gap in accordance with an embodiment of the present disclosure
Several cylinder pressures.Data shown in Fig. 4 observe when being and shearing variously-shaped and the cable and pipe of size with ram block
's.Foregoing any apparatus and method can be used to measure and record for this data.Curve map includes data point and curve, and has
Help understand the ambient conditions that flashboard is closed around object.
The data point that curve observes when being and shearing various cables and pipe with ram block is formed.Curve 100 shows
Go out with new " ram blocks " to shear joint（Shear Sub）The data observed when being sheared, wherein ram blocks are attached
The part of flashboard is connected to, the flashboard is configured to the object that shearing extends through preventer.Similarly, curve 200 is shown
The data observed when being sheared with used ram blocks to shear joint.Curve 300 depicts 5.5 inches of heavy walls of shearing
The data observed during pipe, curve 500 depict the data observed when shearing 3.5 inch pipes and cable with preventer.Finally,
The data that curve 600 observes when showing and there was only cable with preventer shearing.
In addition, the data point of curve map reflection can represent that some events occur when ram block is closed around object.
In particular, data point 401 represents that cylinder pressure begins to exceed the position that operator closes pressure after object is contacted.In addition such as
Shown, data point 402 can represent to need the cylinder pressure of the pipe for cutting across preventer and/or cable in curve map.In addition,
Data point 402 can represent the position of the flashboard when pipe and/or cable are sheared." shear pressure " used herein is to need to open
The cylinder pressure of beginning shearing pipe and/or cable.Data point 403 can represent rams contact flexible elements（Such as seal）Position
Put.Data point 404 can represent position and cylinder pressure when the rams make contact with one another.Data point 405 can be represented from flashboard and close
The increased cylinder pressure of sealing contact start, by this it is meant that flashboard completely closes.
In one embodiment, preventer may include to be similar to cylinder body, flashboard and the sensor equipment shown in Fig. 2 and 3.
Preventer can carry out loop test by repeatedly opening and closing flashboard.One cycle may include to open and close flashboard completely
Once.Loop test is method as known in the art, and it can be used for the reliability for assessing tested part.When preventer is carried out
During loop test, it is included in select location（That is, ram gap）The data of cylinder pressure can be measured simultaneously in each circulation
Record.Then this data can be compiled to show preventer part（For example, seal, packer, wearing plate and locking mechanism）
How to react or move in the circulating cycle.This data can be used for determining when to need to change or reforming part.Change preventer portion
The reason for part, may include, but be not limited to, excessive recoil and abrasion.
Other wellhead components can be influenceed by prolonged exercise in industry.Wellhead component may include such as well head connection
Device, failsafe valve, pod wedges（pod wedge）, diverter lock, the accumulation bottle of installation is stacked, and this area is
Any other part known.In one embodiment, including magnetostrictive sensor sensor equipment can be used for determine at least
The position of one wellhead component.Magnetostrictive sensor can send signal to data acquisition equipment, and then data acquisition equipment can
Record the position of at least one wellhead component.Magnetostrictive sensor can be in selected time interval to data acquisition equipment
Multiple signals are sent, thereby indicate that any motion of the wellhead component in selected time interval.
Also need to add instrument to existing ram preventer., can only more in order to add instrument to existing ram preventer
A part for ram preventer is changed or transformed, it is included the cost needed for instrument to reduce upgrading existing equipment.For example, can
By only change or transform cylinder head enclosure and piston tail with to existing ram preventer add instrument.
Existing cylinder head enclosure and piston tail can be removed.The piston tail removed can be transformed into for instrument
Centre bore is simultaneously re-attached to hydraulic piston, or is transformed into the new piston tail part with centre bore that could attach to hydraulic piston
Portion.Similarly, cylinder head enclosure can be transformed into including instrument port, or is transformed into and be may be connected to ram blowout preventer body
New cylinder head enclosure with instrument port.Magnet assembly can be attached to the piston tail with centre bore, and as above
Described, magnetostrictive sensor can be at least partially disposed within the centre bore of piston tail.
Instrument is added afterwards, it is necessary to calibrate magnetostrictive sensor to the fully open and fully closed position of flashboard.Separately
Outside, for determining that the instrument of ram position can be operably connected to numerical control system.The numerical control system then can
For based on the electric signal monitoring from magnetostrictive sensor, display and/or the position for controlling flashboard.
Advantageously, embodiment disclosed herein can provide the instrument easily installed for ram preventer, and it can be surveyed exactly
Measure the position of flashboard, speed and acceleration.In addition, embodiment disclosed herein will not enter hydraulic cylinder intracavitary, this can be provided
The advantages of extra.
In addition, embodiment disclosed herein can allow the flexibility of ram preventer part, while provide flashboard blowout prevention
The consistent construction of device.For example, consumer, which may want to ram preventer, has instrument or without instrument.Connect flashboard and piston
Bar integrality not due to place sensor endoporus presence and suffer damage（Sensor is placed at the endoporus in bar）,
No matter therefore all it need not strengthen or transform using and without using the bar of instrument.In addition, the cylinder cap and afterbody that are provided by instrument
Easily it can be exchanged with the cylinder cap and afterbody for not providing instrument port.In this way, part is interchangeable, and existing ram preventer can
Easily it is transform as including instrument, consumer is by the flexibility for having product selection and without worrying inconsistent manufacture.
Embodiment disclosed herein can be advantageously provided for the method for testing and monitoring preventer part, thus detect
And/or the problem of preventing potential in work or hidden danger（issues）.For example, embodiment disclosed herein can provide one kind in lock
The method that recoil is sensed in the locking mechanism of plate.It is included in addition, embodiment disclosed herein can provide a kind of test and measurement
Some parts in preventer（For example, seal, packer, locking mechanism）Service life and/or maintenance time interval
Method.In addition, embodiment disclosed herein can provide a kind of detection abrasion before preventer work or in work and/or disturb hidden
The method of trouble.
In addition, embodiment disclosed herein can advantageously provide record long-time closing position so as to scheme for rubber components
The method and apparatus of mark estimation residual life.In addition, embodiment disclosed herein may be provided in seal process and test process
Monitoring position of BOP components how to be acted on to determine elastic sealing element and react so that the improvable device of elastomer design with
Method.In addition, embodiment disclosed herein, which can provide, determines when that pipe is sheared by ram preventer, thus influence wanting for accumulator
The method and apparatus asked.
Moreover, embodiment disclosed herein can be used for the motion of piston in annular preventer.This embodiment may include to make
With position indicator to determine the replacing construction interval of wearing plate and packing units for annular preventer.It is in addition, public herein
The embodiment opened can be used for stacked components, and it includes, but not limited to wellhead connector, failsafe valve, pod wedges, shunting
Device locking piece and pressure accumulation bottle.
Although the present invention is described on the embodiment of limited quantity, the those skilled in the art benefited from the disclosure will
Other embodiment can be designed by recognizing, without departing from the scope of present invention disclosed herein.Therefore, the scope of the present invention should
Only it is limited by the appended claims.
Claims (9)
1. a kind of method for monitoring the cylinder pressure being applied on the flashboard of preventer, methods described include：
The relative position of the flashboard of the preventer is sensed with magnetostrictive sensor；
Signal from the magnetostrictive sensor is sent to data acquisition equipment；
The cylinder pressure being applied to pressure sensing device sensing on the flashboard；
Signal from the pressure sensing device is sent to the data acquisition equipment；And
Recorded using the data acquisition equipment using the cylinder pressure sensed as the function of the relative position sensed.
2. the sensing according to the method for claim 1, is shown with graph mode using the data acquisition equipment
The relation of the cylinder pressure arrived and the relative position of the flashboard.
3. according to the method for claim 1, further comprise：
Check the data recorded by the data acquisition equipment；And
Determine that the flashboard is closed when the cylinder pressure reaches certain value.
4. according to the method for claim 1, further comprise：According to the function of the relative position as the flashboard by
The cylinder pressure of record determines the remaining life of the packer component of the flashboard of the preventer.
5. according to the method for claim 1, further comprise：According to the function of the relative position as the flashboard by
When the cylinder pressure of record is sheared come the pipe determined between the flashboard.
6. according to the method for claim 1, further comprise：According to the phase as the flashboard in seclected time section
The cylinder pressure being recorded to the function of position determines the maintenance time interval of the preventer part.
7. a kind of method for the part for testing preventer, methods described include：
Loop test is carried out to the preventer；
In the loop test, the cylinder pressure being applied on the ram block is sensed and recorded in select location；With
And
Sensed in the loop test using magnetostrictive sensor and record ram position.
8. according to the method for claim 7, further comprise：By the cylinder pressure at the select location of record and work number
According to comparing to determine whether part needs repairing.
9. according to the method for claim 7, further comprise：By the ram position at the select location of record and work number
According to comparing to determine whether part needs repairing.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/675861 | 2007-02-16 | ||
| US11/675,861 US7832706B2 (en) | 2007-02-16 | 2007-02-16 | RAM BOP position sensor |
| US12/026851 | 2008-02-06 | ||
| US12/026,851 US7980305B2 (en) | 2007-02-16 | 2008-02-06 | Ram BOP position sensor |
| CN200880005319.6A CN101675213B (en) | 2007-02-16 | 2008-02-13 | Ram bop position sensor |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880005319.6A Division CN101675213B (en) | 2007-02-16 | 2008-02-13 | Ram bop position sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107575182A true CN107575182A (en) | 2018-01-12 |
Family
ID=39690507
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880005319.6A Expired - Fee Related CN101675213B (en) | 2007-02-16 | 2008-02-13 | Ram bop position sensor |
| CN201710679846.6A Pending CN107575182A (en) | 2007-02-16 | 2008-02-13 | Ram bop position sensor |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880005319.6A Expired - Fee Related CN101675213B (en) | 2007-02-16 | 2008-02-13 | Ram bop position sensor |
Country Status (10)
| Country | Link |
|---|---|
| KR (1) | KR101526612B1 (en) |
| CN (2) | CN101675213B (en) |
| AR (1) | AR065366A1 (en) |
| AU (1) | AU2008216253B2 (en) |
| CA (3) | CA2677653C (en) |
| EA (1) | EA014181B1 (en) |
| MX (1) | MX2009008764A (en) |
| NO (1) | NO343795B1 (en) |
| SG (1) | SG178796A1 (en) |
| WO (1) | WO2008101005A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9109421B2 (en) | 2008-12-18 | 2015-08-18 | Hydril USA Distribution LLC | Deformation resistant opening chamber head and method |
| EP2588709B1 (en) * | 2010-07-01 | 2018-02-21 | National Oilwell Varco, L.P. | Blowout preventer monitoring system and method of using same |
| US9188241B2 (en) | 2011-12-13 | 2015-11-17 | Hydril USA Distribution LLC | Visual ram position indicator apparatuses and methods |
| KR102130718B1 (en) * | 2013-10-14 | 2020-07-07 | 대우조선해양 주식회사 | System for training in bop operation |
| KR102171653B1 (en) * | 2013-10-14 | 2020-10-30 | 대우조선해양 주식회사 | Apparatus and method for test of bop control system |
| EP3715795A1 (en) | 2019-03-29 | 2020-09-30 | Siemens Aktiengesellschaft | Positioning in a high pressure area |
| CN110284851B (en) * | 2019-07-26 | 2024-07-02 | 唐建华 | A hydraulic locking device for a gate blowout preventer |
| CN112072480A (en) * | 2020-09-16 | 2020-12-11 | 西南石油大学 | Travel switch mounting structure of pump stroke counter |
| US11970933B2 (en) * | 2021-12-15 | 2024-04-30 | Helmerich & Payne Technologies, Llc | Transducer assembly for oil and gas wells |
| CN114837650B (en) * | 2022-03-31 | 2024-08-16 | 中海油田服务股份有限公司 | Device for transmitting sound wave vibration |
| US11905824B2 (en) | 2022-05-06 | 2024-02-20 | Cameron International Corporation | Land and lock monitoring system for hanger |
| CN117404079B (en) * | 2023-12-13 | 2024-03-08 | 中国石油集团川庆钻探工程有限公司 | Online diagnosis and evaluation method and system for shearing process of ram blowout preventer |
| CN117868796A (en) * | 2024-03-07 | 2024-04-12 | 河北华北石油荣盛机械制造有限公司 | Blowout preventer piston position monitoring system and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5320325A (en) * | 1993-08-02 | 1994-06-14 | Hydril Company | Position instrumented blowout preventer |
| CN2799847Y (en) * | 2005-01-10 | 2006-07-26 | 河北华北石油荣盛机械制造有限公司 | Automatic locking device for ram preventer |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB590840A (en) * | 1944-04-22 | 1947-07-30 | Linde Air Prod Co | Improvement in conduit couplings |
| DE3304264C2 (en) * | 1983-02-08 | 1986-10-30 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Fluid coupling with check valve |
| US4922423A (en) * | 1987-12-10 | 1990-05-01 | Koomey Paul C | Position and seal wear indicator for valves and blowout preventers |
| US5150049A (en) * | 1991-06-24 | 1992-09-22 | Schuetz Tool & Die, Inc. | Magnetostrictive linear displacement transducer with temperature compensation |
| US5320326A (en) * | 1993-06-11 | 1994-06-14 | Ted Ju | Improved structure of a quick-connect pipe fitting |
| NO306914B1 (en) * | 1993-08-02 | 2000-01-10 | Hydril Co | Electromagnetic shutter locator for a wellhead blowout fuse |
| CN2246706Y (en) * | 1994-05-06 | 1997-02-05 | 华北石油管理局第二机械厂 | Hydraulic automatic locking device for ram of blow-out preventer |
| US6509733B2 (en) * | 2000-12-20 | 2003-01-21 | Caterpillar Inc | Fluid cylinder with embedded positioning sensor |
| US20050114053A1 (en) * | 2003-10-14 | 2005-05-26 | Southward Steve C. | Magnetostrictive wavelet method for measuring pulse propagation time |
| CN100338333C (en) * | 2003-04-18 | 2007-09-19 | 崔时光 | Automatic service rig for oil field |
| CN2698978Y (en) * | 2004-05-26 | 2005-05-11 | 中国石化集团胜利石油管理局钻井工艺研究院 | Real time monitoring and controlling device for under balance drilling |
| US7121185B2 (en) * | 2004-05-28 | 2006-10-17 | Caterpillar Inc. | Hydraulic cylinder having a snubbing valve |
| CN101238269A (en) * | 2005-06-06 | 2008-08-06 | 海德尔有限责任公司 | Rod lock for ram blowout preventer |
-
2008
- 2008-02-13 MX MX2009008764A patent/MX2009008764A/en active IP Right Grant
- 2008-02-13 CA CA2677653A patent/CA2677653C/en not_active Expired - Fee Related
- 2008-02-13 KR KR1020097017054A patent/KR101526612B1/en not_active Expired - Fee Related
- 2008-02-13 CA CA2890474A patent/CA2890474A1/en not_active Abandoned
- 2008-02-13 EA EA200970775A patent/EA014181B1/en not_active IP Right Cessation
- 2008-02-13 CA CA2890472A patent/CA2890472C/en not_active Expired - Fee Related
- 2008-02-13 CN CN200880005319.6A patent/CN101675213B/en not_active Expired - Fee Related
- 2008-02-13 WO PCT/US2008/053840 patent/WO2008101005A1/en active Application Filing
- 2008-02-13 CN CN201710679846.6A patent/CN107575182A/en active Pending
- 2008-02-13 SG SG2012011086A patent/SG178796A1/en unknown
- 2008-02-13 AU AU2008216253A patent/AU2008216253B2/en not_active Ceased
- 2008-02-15 AR ARP080100650A patent/AR065366A1/en not_active Application Discontinuation
-
2009
- 2009-08-13 NO NO20092833A patent/NO343795B1/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5320325A (en) * | 1993-08-02 | 1994-06-14 | Hydril Company | Position instrumented blowout preventer |
| CN2799847Y (en) * | 2005-01-10 | 2006-07-26 | 河北华北石油荣盛机械制造有限公司 | Automatic locking device for ram preventer |
Also Published As
| Publication number | Publication date |
|---|---|
| AR065366A1 (en) | 2009-06-03 |
| EA014181B1 (en) | 2010-10-29 |
| EA200970775A1 (en) | 2010-02-26 |
| CA2677653C (en) | 2015-07-21 |
| KR101526612B1 (en) | 2015-06-05 |
| CA2890472A1 (en) | 2008-08-21 |
| CN101675213B (en) | 2017-09-15 |
| NO20092833L (en) | 2009-09-16 |
| KR20090120464A (en) | 2009-11-24 |
| SG178796A1 (en) | 2012-03-29 |
| AU2008216253A1 (en) | 2008-08-21 |
| MX2009008764A (en) | 2009-08-27 |
| WO2008101005A1 (en) | 2008-08-21 |
| CA2677653A1 (en) | 2008-08-21 |
| CA2890474A1 (en) | 2008-08-21 |
| NO343795B1 (en) | 2019-06-11 |
| CN101675213A (en) | 2010-03-17 |
| AU2008216253B2 (en) | 2013-10-31 |
| CA2890472C (en) | 2016-10-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7980305B2 (en) | Ram BOP position sensor | |
| CN107575182A (en) | Ram bop position sensor | |
| US7832706B2 (en) | RAM BOP position sensor | |
| US5320325A (en) | Position instrumented blowout preventer | |
| US9163471B2 (en) | Position monitoring system and method | |
| US5407172A (en) | Position instrumented blowout preventer | |
| US9187974B2 (en) | System and method for position monitoring using ultrasonic sensor | |
| US6513596B2 (en) | Non-intrusive pressure measurement device for subsea well casing annuli | |
| US20140166264A1 (en) | Blowout Preventer System Having Position and Pressure Sensing Device and Related Methods | |
| US10273774B2 (en) | Assembly and method for monitoring position of blowout preventer rams | |
| AU2011224037B2 (en) | Riser annulus flow meter and method | |
| CN103161422A (en) | Visual ram position indicator apparatuses and methods |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180112 |