CN205778836U - High-pressure sealed downhole logging instrument position sensing system and induction installation - Google Patents
High-pressure sealed downhole logging instrument position sensing system and induction installation Download PDFInfo
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- CN205778836U CN205778836U CN201620341374.4U CN201620341374U CN205778836U CN 205778836 U CN205778836 U CN 205778836U CN 201620341374 U CN201620341374 U CN 201620341374U CN 205778836 U CN205778836 U CN 205778836U
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Abstract
This utility model relates to high-pressure sealed downhole logging instrument position sensing system and induction installation, including the saturating magnetic short section being arranged on sealed tube setting position, it is arranged on outside magnetic short section and at the tongue tube at the outer wall setpoint distance of this saturating magnetic short section, and alarm circuit, tongue tube is for the adhesive when downhole instrument arrives setting position, and tongue tube string is located in alarm circuit.Tongue tube can detect the position of downhole instrument, when arriving setting position, tongue tube adhesive, alarm circuit turns on, realize reporting to the police, can relatively accurately determine downhole testing instrument position in sealed tube in high-pressure sealed well logging construction in this way, it is to avoid occur missing because can not judging instrumented site the consequence of closing well, and then avoid the loss that downhole instrument brings because of the well that falls.It addition, the equipment that this device relates to is less, input cost is low, and, easy to use, it is possible to well effect to be played in high-pressure sealed well logging safety in production.
Description
Technical field
This utility model relates to high-pressure sealed downhole logging instrument position sensing system and induction installation.
Background technology
In oil field development production process, producing well is tested, as it is shown in figure 1, it is by conventional sealed test method
Oil, a kind of well head plumbing installation (production tree) of gas and water well.Owing to the well head of these wells is all with certain pressure (high pressure),
It is typically only capable to install sealed tube (being also lubricator) additional on well head top when test, successively such as Fig. 2, shown in 3 and 4, allow tester
Device (i.e. downhole instrument) carries out in smoothly entering well in sealed tube testing.When tripping out instrument after test completes, instrument
Device is the most crucial problem in whether entering the sealed tube on well head top, because only that instrument could cut out survey in entering sealed tube
Examination valve, not so test instrunment will fall well.
Generally we show by the degree of depth and the preventing spray head sound at instrument collision sealed tube top judges whether instrument enters
In lubricator.Error often occur owing to the degree of depth shows, such as degree of depth wheel skids, or the reason such as cable tensile strain can cause deeply
Degree is inaccurate, it is impossible to judge the accurate location of test instrunment.Furthermore, owing to there being foul (viscous crude and other dirt collection) in well, past
Toward can't hear the sound that instrument collides with sealed tube, or the sound sometimes heard is the concentricity valve of downhole instrument or test valve
Door knob hits and causes, and causes and cannot determine that instrument the most really enters in sealed tube.If instrument does not enters in airtight lubricator,
Shut off the test cable of test instrunment when closing test valve, cause test instrunment to fall the accident of well, as it is shown in figure 5,
Bring bigger economic loss.
Utility model content
The purpose of this utility model is to provide high-pressure sealed downhole logging instrument position sensing system and induction installation, in order to
Solve the problem that traditional method cannot determine the accurate location of test instrunment.
For achieving the above object, scheme of the present utility model includes: a kind of high-pressure sealed downhole logging instrument location sensitive
System, including production tree, production tree upper end is provided with sealed tube, also includes that the saturating magnetic being arranged on sealed tube setting position is short
Joint, be arranged at magnetic short section outer wall, for the tongue tube of adhesive when downhole instrument arrives setting position, be arranged on described
Magnet on downhole instrument, and alarm circuit, described tongue tube string is located in described alarm circuit.
On described alarm circuit, string is provided with a wireless transmitter module, and described system also includes a far-end monitoring modular,
What described far-end monitoring modular included that a state indicator module and one and described wireless transmitter module are correspondingly arranged wireless connects
Receiving module, described wireless receiving module connects described state indicator module.
Described state indicator module is acousto-optic warning unit, and described far-end monitoring modular is a far-end monitoring circuit, should
On far-end monitoring circuit, string is provided with power supply, described wireless receiving module and described acousto-optic warning unit.
Described state indicator module is a bar state instruction loop, and on this state instruction loop, string is provided with power supply, control
System switch and acousto-optic warning unit, described wireless receiving module controls to connect described control switch.
A kind of high-pressure sealed downhole logging instrument position induction device, including tongue tube and alarm circuit, described dry spring
Pipe is for the adhesive when downhole instrument arrives setting position, and described tongue tube string is located in described alarm circuit.
Described induction installation also includes that Magnet, described Magnet are arranged on described downhole instrument.
On described alarm circuit, string is provided with a wireless transmitter module, and described system also includes a far-end monitoring modular,
What described far-end monitoring modular included that a state indicator module and one and described wireless transmitter module are correspondingly arranged wireless connects
Receiving module, described wireless receiving module connects described state indicator module.
Described state indicator module is acousto-optic warning unit, and described far-end monitoring modular is a far-end monitoring circuit, should
On far-end monitoring circuit, string is provided with power supply, described wireless receiving module and described acousto-optic warning unit.
Described state indicator module is a bar state instruction loop, and on this state instruction loop, string is provided with power supply, control
System switch and acousto-optic warning unit, described wireless receiving module controls to connect described control switch.
Described induction installation also include one for being arranged on the saturating magnetic short section of setting position on sealed tube, described dry
Reed pipe is arranged on outside described magnetic short section and at the outer wall setpoint distance of this saturating magnetic short section.
Due on some downhole testing instrument inherently with the magnetic orientation device of permanent magnetism, this magnetic orientation device essence
On be a permanent magnetic iron, so, it is possible to use the permanent magnetism of this magnetic orientation device determines the position of this test instrunment.And
Downhole instrument position sensing system and induction installation that this utility model provides utilize above-mentioned principle exactly.When downhole instrument arrives
During certain position, tongue tube adhesive due to the effect of the magnetic line of force, alarm circuit turns on, it is achieved reports to the police, in this way can
Enough relatively accurately determine downhole testing instrument position in sealed tube in high-pressure sealed well logging construction, it is to avoid occur because judging
Do not go out instrumented site and miss the consequence of closing well, and then avoid the loss that downhole instrument brings because of the well that falls.It addition, this device relates to
The equipment arrived is less, and input cost is low, and, easy to use, it is possible to play very well in high-pressure sealed well logging safety in production
Effect.
Accompanying drawing explanation
Fig. 1 is existing well head plumbing installation (production tree) structural representation；
Fig. 2 is the structural representation of sealed tube；
Fig. 3 is the combination schematic diagram of well head plumbing installation and sealed tube；
Fig. 4 is the structural relation schematic diagram between well head plumbing installation, sealed tube and downhole testing instrument；
Fig. 5 is when logging cable fracture causes test instrunment to crash into the schematic diagram of down-hole；
Fig. 6 is the structural representation of the well logging apparatus of loading position induction installation；
Fig. 7 is first embodiment overall structure schematic diagram of position induction device；
Fig. 8 is the electrical block diagram of first embodiment of position induction device；
Fig. 9 is that well logging apparatus far sees sketch；
Figure 10 is second embodiment overall structure schematic diagram of position induction device；
Figure 11 is the electrical block diagram one of second embodiment of position induction device；
Figure 12 is the electrical block diagram two of second embodiment of position induction device；
Wherein, in Fig. 7,8,10,11,12,1 is magnetic short section, and 2 is the permanent magnet in downhole instrument, and 3 is tongue tube；
In Fig. 1,2,3,4,5,6,9,4 is CCL center, 5 CR crystal, and 6 is test valve, and valve centered by 7,8 is anti-
Shower nozzle, 9 is sealed tube, and 10 is preventer, and 11 is magnetic orientation, and 12 is without magnetic short section, and 13 is wireless transmit induction apparatus, and 14 is wireless
Transmitter module, 15 is production tree, and 16 is pit shaft, and 17 is logging truck, and 18 is that the most tested valve cuts off or because receiving cable speed mistake
Hurry up, the cable broken during instrument to top.
Detailed description of the invention
The utility model is described in more detail below in conjunction with the accompanying drawings.
As shown in Figure 6, downhole testing instrument (also referred to as downhole instrument) is transferred to down-hole by sealed tube.This high-pressure sealed survey
The downhole testing instrument of well self is with an instrument being magnetic orientator (ccL), and magnetic orientation instrument has individual magnetic cylinder (permanent magnet)
Magnetic relatively big, its magnetic line of force can penetrate larger distance.Downhole testing instrument is respectively provided with magnetic orientation in the ordinary course of things
Instrument, but it is also possible to have some special downhole testing instruments, itself does not carry the magnetic position finder of tool
Device, the most also includes band a magnetic module, such as Magnet, is entering in the position induction device that at this moment this utility model provides
During row location, it is necessary to the special installation magnetic east of this Magnet, such as permanent magnet or other band on this test instrunment
West is to serve as magnetic orientator.
As shown in Figure 6, in order to ensure that the magnetic line of force of downhole testing instrument can effectively pass through this sealed tube, at sealed tube
And being provided with a saturating magnetic short section between well head plumbing installation, one end of this saturating magnetic short section is connected with sealed tube, this saturating magnetic short section
The other end and well head plumbing installation connect.When downhole testing instrument is through this saturating magnetic short section, the magnetic force that magnetic orientator produces
Line can effectively pass through this saturating magnetic short section and pass to the outside of pipeline.
A kind of position induction device for detecting this downhole testing instrument that this utility model provides, as it is shown in fig. 7, should
Device generally comprises two parts, is tongue tube and detection module respectively, and detection module sampling connects this tongue tube.Tongue tube is
Existing equipment, so, do not elaborate at this about its concrete structure and operation principle.This tongue tube is arranged on magnetic
The outside of pipe nipple and at the outer wall setpoint distance of this saturating magnetic short section, this setpoint distance selects according to practical situation, but
Being must to be the distance that can effectively detect the magnetic line of force, if the distance is too far, just cannot effectively detect the magnetic line of force.So, as long as
Can effectively detect the magnetic line of force, as long as i.e. tongue tube can make conducting or the action turned off, tongue tube according to the magnetic line of force
And the distance between saturating magnetic short section does not do hard requirement.
When downhole testing instrument passes through this saturating magnetic short section through this saturating magnetic short section, i.e. magnetic orientator, and tongue tube is subject to
The effect of magnetic force and turn on, detection module obtains the position of downhole testing instrument according to the action of tongue tube, it is achieved downhole testing
The location sensitive detection of instrument.This detection module can be a concrete control circuit；Can also be a controller, such as
The control chips such as single-chip microcomputer, change the position to instrument according to the state of the tongue tube received and judge.
It is to illustrate as a example by a concrete control circuit by this detection module below.
This control circuit is an alarm circuit, and on this alarm circuit, string is provided with power supply and tongue tube, for when dry
Report to the police during reed pipe adhesive.And, in the present embodiment, on this alarm circuit, also string is provided with a warning indicating module, as
Shown in Fig. 8, this warning indicating module can be a display lamp or buzzer.When reed switch conduction, warning indicating module
Obtain electric, make corresponding instruction, remind the position of staff's downhole testing instrument.
Additionally, it is generally the case that each well logging is all configured with a logging truck, this logging truck is used for transferring and twist receipts down-hole
Detecting instrument, as shown in Figure 9.Further, this logging truck can play far-end monitoring effect, and the work of the winchman in car is to transfer
Downhole detection instrument is received with strand, so its position needing to know this downhole testing instrument in real time.Further, since logging truck and survey
Between well well head in a distance, generally 30m, so the indication signal that above-mentioned warning indicating module produces possibly cannot make
Controllers in logging truck is known.
In order to enable signals to be known there is following two processing mode by the winchman in logging truck, the first: by above-mentioned
Warning indicating module is arranged in logging truck, and arranges longer connection line, makes above-mentioned alarm circuit run through tongue tube and be somebody's turn to do
The warning indicating module being arranged in logging truck, the winchman in such logging truck just can be obtained by warning indicating module in real time
Know the position of downhole instrument；The second: also string sets a wireless transmitter module on above-mentioned alarm circuit, correspondingly, in well logging
Also having a far-end monitoring modular in car, this far-end monitoring modular includes a wireless receiving module and a state instruction mould
Block, as shown in Figure 10.This wireless receiving module is corresponding with above-mentioned wireless transmitter module, and wireless receiving module indicates mould with state
Block connects.When downhole instrument arrives in sealed tube, reed switch conduction, warning indicating module makes corresponding instruction, and scene is executed
Workman person knows the position of downhole instrument；Meanwhile, wireless transmitter module obtains electric, exports corresponding signal to wireless receiving mould
Block, wireless receiving module receives corresponding signal, and is indicated accordingly by state indicator module, such as: sound and light alarm etc.,
Winchman in car is known when downhole instrument has arrived in sealed tube, just stops continuing strand and receives this downhole instrument, prevents test electricity
Break in cable and cause downhole instrument to fall the consequence of well.
Similarly, this state indicator module can be a control chip, receives corresponding letter at wireless receiving module
After number, this control chip exports corresponding control signal after treatment, carries out sound and light alarm；Or, this far-end monitoring modular
Can also is that a concrete circuit on the whole, the detailed description of the invention of two kinds of these circuit given below:
The first: as shown in figure 11, on this far-end monitoring circuit, string is provided with power supply, wireless receiving module and acousto-optic report
Alert unit.Wireless receiving module is according to the signal conduction received or shutoff, and acousto-optic warning unit realizes the instruction of state.This
Time, this wireless receiving module is equivalent to one and controls switch, correspondingly turns on according to the signal received or turn off.
The second: as shown in figure 12, this far-end monitoring circuit includes wireless receiving module and state instruction loop, this state
On instruction loop, string is provided with power supply, controls switch and acousto-optic warning unit, and wireless receiving module controls to connect this control and opens
Close.Wireless receiving module controls this control switch conduction or shutoff according to the signal received, it is achieved the instruction of state.This
Time, this wireless receiving module not only has the function that signal receives, and also has and controls according to the signal output received is corresponding
The function of signal.
Wireless transmitter module concatenates in circuit, and wireless transmitter module carries out arranged below: as long as obtaining electric being issued by accordingly
Signal.When tongue tube disconnects, wireless transmitter module not power consumption, signal the most just cannot send；When reed switch conduction, wireless
Penetrating module and obtain electric, signal can send.So, this setup can effectively reduce the power consumption of wireless transmitter module.
It addition, as a specific embodiment, saturating magnetic short section is arranged between sealed tube and well head plumbing installation, in strand
When receiving downhole instrument, as long as reed switch conduction, indicate that instrument has arrived well head, be going in sealed tube, so, by dry spring
Pipe, this position induction device can remind the position of winchman's downhole instrument of site operation personnel and Che Nei in time, it is ensured that
The safety that strand is received.
In above-described embodiment, in order to ensure that the magnetic line of force effectively passes through pipeline, between sealed tube and well head plumbing installation
It is provided with a saturating magnetic short section, for saturating magnetic, certainly, as other embodiment, if sealed tube inherently can pass through
The pipeline of the magnetic line of force, then, it is no need for arranging magnetic short section, what tongue tube was set directly at outside sealed tube tube wall is set as position
Place.
In above-described embodiment, the staff that far-end monitoring modular is distant place for convenience is set and knows downhole detection in real time
The position of instrument, if this well logging does not has far-end staff, is only in the staff near well logging, then, it is no need for
Far-end monitoring modular is set.
It is presented above specific embodiment, but this utility model is not limited to described embodiment.This practicality
Novel basic ideas are above-mentioned basic scheme, for those of ordinary skill in the art, according to teaching of the present utility model,
Design the model of various deformation, formula, parameter are not required to spend creative work.Without departing from principle of the present utility model
With the change in the case of spirit, embodiment carried out, revise, replace and modification still falls within protection domain of the present utility model
In.
Claims (10)
1. a high-pressure sealed downhole logging instrument position sensing system, including production tree, production tree upper end is provided with sealed tube,
It is characterized in that, also include the saturating magnetic short section being arranged on sealed tube setting position, be arranged at magnetic short section outer wall, for
When downhole instrument arrives setting position, the tongue tube of adhesive, is arranged on the Magnet on described downhole instrument, and alarm circuit,
Described tongue tube string is located in described alarm circuit.
High-pressure sealed downhole logging instrument position sensing system the most according to claim 1, it is characterised in that described warning
On loop, string is provided with a wireless transmitter module, and described system also includes a far-end monitoring modular, described far-end monitoring modular
Including a state indicator module and a wireless receiving module being correspondingly arranged with described wireless transmitter module, described wireless connect
Receive module and connect described state indicator module.
High-pressure sealed downhole logging instrument position sensing system the most according to claim 2, it is characterised in that described state
Indicating module is acousto-optic warning unit, and described far-end monitoring modular is a far-end monitoring circuit, and this far-end monitoring circuit is gone here and there
It is provided with power supply, described wireless receiving module and described acousto-optic warning unit.
High-pressure sealed downhole logging instrument position sensing system the most according to claim 2, it is characterised in that described state
Indicating module is a bar state instruction loop, and on this state instruction loop, string is provided with power supply, controls switch and sound and light alarm
Unit, described wireless receiving module controls to connect described control and switchs.
5. a high-pressure sealed downhole logging instrument position induction device, it is characterised in that include tongue tube and alarm circuit,
Described tongue tube is for the adhesive when downhole instrument arrives setting position, and described tongue tube string is located in described alarm circuit.
High-pressure sealed downhole logging instrument position induction device the most according to claim 5, it is characterised in that described sensing
Device also includes that Magnet, described Magnet are arranged on described downhole instrument.
7. according to the high-pressure sealed downhole logging instrument position induction device described in claim 5 or 6, it is characterised in that described
On alarm circuit, string is provided with a wireless transmitter module, and described induction installation also includes a far-end monitoring modular, described far-end
Monitoring modular includes a state indicator module and a wireless receiving module being correspondingly arranged with described wireless transmitter module,
Described wireless receiving module connects described state indicator module.
High-pressure sealed downhole logging instrument position induction device the most according to claim 7, it is characterised in that described state
Indicating module is acousto-optic warning unit, and described far-end monitoring modular is a far-end monitoring circuit, and this far-end monitoring circuit is gone here and there
It is provided with power supply, described wireless receiving module and described acousto-optic warning unit.
High-pressure sealed downhole logging instrument position induction device the most according to claim 7, it is characterised in that described state
Indicating module is a bar state instruction loop, and on this state instruction loop, string is provided with power supply, controls switch and sound and light alarm
Unit, described wireless receiving module controls to connect described control and switchs.
10. according to the high-pressure sealed downhole logging instrument position induction device described in claim 5 or 6, it is characterised in that described
Induction installation also include one for being arranged on the saturating magnetic short section of setting position on sealed tube, described tongue tube is arranged on described
Thoroughly outside magnetic short section and at the outer wall setpoint distance of this saturating magnetic short section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620341374.4U CN205778836U (en) | 2016-04-21 | 2016-04-21 | High-pressure sealed downhole logging instrument position sensing system and induction installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620341374.4U CN205778836U (en) | 2016-04-21 | 2016-04-21 | High-pressure sealed downhole logging instrument position sensing system and induction installation |
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| Publication Number | Publication Date |
|---|---|
| CN205778836U true CN205778836U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620341374.4U Active CN205778836U (en) | 2016-04-21 | 2016-04-21 | High-pressure sealed downhole logging instrument position sensing system and induction installation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726970A (en) * | 2017-10-12 | 2018-02-23 | 西安石油大学 | Oil/gas Well hermetical testing position sensor |
| CN116013025A (en) * | 2021-10-21 | 2023-04-25 | 中国石油天然气集团有限公司 | A new type of rope safety warning device |
-
2016
- 2016-04-21 CN CN201620341374.4U patent/CN205778836U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726970A (en) * | 2017-10-12 | 2018-02-23 | 西安石油大学 | Oil/gas Well hermetical testing position sensor |
| CN116013025A (en) * | 2021-10-21 | 2023-04-25 | 中国石油天然气集团有限公司 | A new type of rope safety warning device |
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