CN109441433A - The concentric sealing test pipe nipple in underground - Google Patents
The concentric sealing test pipe nipple in underground Download PDFInfo
- Publication number
- CN109441433A CN109441433A CN201811512199.0A CN201811512199A CN109441433A CN 109441433 A CN109441433 A CN 109441433A CN 201811512199 A CN201811512199 A CN 201811512199A CN 109441433 A CN109441433 A CN 109441433A
- Authority
- CN
- China
- Prior art keywords
- center
- sleeve
- cup
- leather cup
- steel ball
- 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
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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
-
- 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
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/127—Packers; Plugs with inflatable sleeve
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Marine Sciences & Fisheries (AREA)
Abstract
The present invention relates to a kind of concentric sealing test pipe nipples in underground, including sequentially connected salvaging component, seal assembly, positioning component and lower contact component；Component is salvaged to connect with dispensing device or marine salvage equipment；Seal assembly is close to injection well downhole flow regulator centre bore, will separate inside injection well downhole flow regulator water outlet and oil pipe, provides strata pressure channel；Test nipple joint is fixed in injection well downhole flow regulator by positioning component；Lower contact module testing strata pressure.It salvaged to solve existing sealing test end segment, launch cumbersome technical problem, the present invention provides a kind of concentric sealing test pipe nipple in underground, which launches, salvaging is easy.
Description
Technical field
The present invention relates to a kind of well pressure measuring devices, and in particular to a kind of concentric sealing test pipe nipple in underground.
Background technique
With deepening continuously for oil field development, water structure is continued to optimize, and layering dispensing well accounts for the ratio of well sum not
It is disconnected to improve, 95% or more is had reached at present, and the water injection well interval number segmented in layer has been up to 8 sections.Stratified strategy embodies
It big advantage and is increasingly taken seriously, the ratio that well delaminating pressure testing accounts in oilfield monitoring is increasing, and layering is surveyed
Pressure data shows unique advantage.
It can achieve following purpose by delaminating pressure testing data: can will explain that parameter and reservoir property are accurate to each water filling
Interval, understand downhole packer whether seal, understand interlayer pressure difference, prevention set damage, understand interlayer together with situation, series of strata pressure,
Water injection well point is instructed in the accuracy of DETERMINATION OF PERMEABILITY, the water swelling elastomer of substratum and inspection injection profile, zonal pressure monitoring
Layer test, to the reasonable multi-zone flow regulating in oil field, to achieve the purpose that oilfield reservoir protection, improve recovery ratio.
The bridge-type eccentric used for current oil field is layered injection well downhole flow regulator, and when zonal testing is layer-by-layer using eccentric separate stratum pressure gauge
It salvages and launches, eccentric separate stratum pressure gauge has construct cumbersome, pulling heavy workload, low success rate of status.It is of the invention thus
A kind of concentric sealing test short circuit in underground is provided.
Summary of the invention
It salvaged to solve existing sealing test end segment, launch cumbersome technical problem, the present invention provides a kind of underground
Concentric sealing test pipe nipple, which launches, salvaging is easy.
Technical solution of the invention:
The concentric sealing test pipe nipple in underground, including sequentially connected salvaging component 1, seal assembly 2, positioning component 3 and
Lower contact component 4；
Component 1 is salvaged to connect with dispensing device or marine salvage equipment；
Seal assembly 2 is close to injection well downhole flow regulator centre bore, will separate inside injection well downhole flow regulator water outlet and oil pipe, and it is logical to provide strata pressure
Road；
Test nipple joint is fixed in injection well downhole flow regulator by positioning component 3；
4 formation testing pressure of lower contact component.
Further, the salvaging component 1 includes salvaging center-pole 101, fishing head 102, fishing head steel ball 103, salvaging
Sleeve 104 and fishing head stop assembly 105 are provided on the fishing head 103 and consolidate with what dispensing device or marine salvage equipment were connect
Determine component；
On salvaging center-pole 101,102 one end of fishing head is contacted with salvaging center-pole 101 for 102 sets of the fishing head, is beaten
It fishes out the other end of head 102 and salvages and be provided with fishing sleeve 104 between center-pole 101, be provided with and beat on the fishing sleeve 104
Dipper steel ball mounting groove 107, the depth of the fishing head steel ball mounting groove 107 is less than the diameter of fishing head steel ball 103, described to beat
It is provided with fishing head steel-ball limiting slot 108 on fishing center-pole 101, the fishing head medial surface setting contacted with fishing head sleeve 104
There are two fishing head steel ball upper limit position groove 109, there is platform transition between two fishing head steel ball upper limit position grooves 109.
Further, fishing sleeve 106 is additionally provided with stop assembly mounting groove 110, and the stop assembly includes scotch
111, the fixing end of retaining spring 112 and spring base 113, scotch 111 is fixed on fishing sleeve 106 by pin shaft, another to revolve
Turn end to peak on fishing head inner wall, the bottom of round end is fixed with retaining spring 112, and the other end of retaining spring 112 is fixed on
On spring base 113；Stepped hole 114 is provided on the fishing head 102；
When 111 face stepped hole 114 of scotch, scotch 111, which is stopped spring 112 and bounces, is stopped at stepped hole 114
It is interior.
Further, the seal assembly 2 includes center seal bar 201, sealing locking assembly 202, upper cupping component
203, hypodermis bowl assembly 204 and the pressure guide hole 205 between upper cupping component 203 and hypodermis bowl assembly 204；
The upper end of center seal bar 201 is fixedly connected with center-pole 101 is salvaged；
Sealing locking assembly 202 includes center rod sleeve 20201, sealed steel ball 20202, center-pole steel ball lock tube 20203
And lock tube reset spring 20204, center rod sleeve 20201, which is sleeved on, to be salvaged on center-pole 101 and center seal bar 201, in
20201 one end of core bar sleeve is fixedly connected with fishing sleeve 104；Sealed steel ball mounting groove is provided on center rod sleeve 20201
20205, sealed steel ball 20202 is located in sealed steel ball mounting groove 20205, and the depth of sealed steel ball mounting groove 20205 is less than close
Seal the diameter of steel ball 20202；The center-pole steel ball lock tube 20203 is sleeved on center rod sleeve 20201, sealed steel ball
20202 top is contacted with center-pole steel ball lock tube 20203, and the bottom of sealed steel ball 20202 is contacted with center seal bar 201,
It salvages and is provided with sealed steel ball limiting slot 20206, center-pole steel ball lock tube 20203 and lock tube reset spring on center-pole 101
20204 connections, center-pole steel ball lock tube 20203 can move under the action of lock tube reset spring；
The upper cupping component 203 includes upper leather cup 20301, upper leather cup movable end 20302 and upper leather cup fixing sleeve
20303, described upper leather cup one end is connect with upper leather cup movable end 20302, the other end of the upper leather cup and upper leather cup fixing sleeve
20303 connections, the upper leather cup movable end 20302 can move axially, the upper leather cup fixing sleeve 20303 and center rod sleeve
20201 other end is fixedly connected；
The hypodermis bowl assembly includes down cup 20401, down cup movable end 20402 and down cup fixing sleeve 20403,
Described 20401 one end of down cup is connect with down cup movable end 20402, the other end and down cup fixing sleeve of the down cup
20403 connections, the down cup movable end 20402 can move axially, and the down cup fixing sleeve 20403 is fixed with upper leather cup
Set 20303 is fixedly connected；
The pressure guide hole 205 is arranged on upper leather cup fixing sleeve 20303, the pressure guide hole 205 and central seal bar 201
Central passage connection.
Further, the positioning component 3 includes positioning sleeve 301, support arm 302, support arm accumulator tank 303, spring 305
And the support arm lock-bit slot 304 on center seal bar 201 is set, the positioning sleeve is sleeved on the end of center seal bar 201
End, one end of the positioning sleeve 301 are fixedly connected with down cup fixing sleeve, and the support arm accumulator tank 303 is arranged in positioning sleeve
On, the fixing end of the support arm 302 is connect by pin shaft with positioning sleeve 301, the fixing end and support arm of the support arm 302
Lock-bit slot 304, which cooperates, limits the round end of support arm in support arm accumulator tank, and the spring 305 is located at support arm lock-bit slot
Between 304 and support arm fixing end.
Further, lower contact component includes lower case 401, connecting pipe 402, pressure gauge 403 and lower contact 404, described
One end of lower case 401 is connect with down cup fixing sleeve 20403, and the other end of lower case 401 is fixed with lower contact 404, described
Connecting pipe, which is located in shell 401, to be fixedly connected with center seal bar 201 and is connected to central passage, and pressure gauge 403 is located at pilot
402 exit of pipe.
Further, upper leather cup movable end 20302 includes upper leather cup movable sleeve 20304 and upper leather cup removable pin 20305, institute
It states leather cup movable sleeve 20304 to be sleeved on center rod sleeve 20201, offers leather cup on the center rod sleeve 20201
Removable pin shifting chute 20306, center seal bar are provided with leather cup limiting slot 20307, upper 20304 upper end of leather cup removable pin
In upper leather cup movable sleeve 20304, it is supreme that the lower end of the upper leather cup removable pin passes through upper leather cup removable pin shifting chute 20306
In leather cup limiting slot 20307；
The starting point of the upper leather cup limiting slot 20307 is more close than the starting point of upper leather cup removable pin shifting chute 20306 to beat
Fish out component 1；The terminating point of the upper leather cup limiting slot 20307 is more close than the terminating point of upper leather cup removable pin shifting chute 20306 to be beaten
Fish out component 1.
Further, down cup movable end 20402 includes down cup movable sleeve 20404 and down cup removable pin 20405, institute
It states down cup movable sleeve 20404 to be sleeved on down cup fixing sleeve 20402, be offered down on the down cup fixing sleeve 20403
Leather cup removable pin shifting chute 20406, center seal bar 201 are provided with down cup limiting slot 20407, on the down cup removable pin
End 20405 is located in down cup movable sleeve 20404, and the lower end of the down cup removable pin 20405 is moved across down cup removable pin
In dynamic slot 20406 to down cup limiting slot 20407；
The starting point of the down cup limiting slot 20407 is more close than the starting point of down cup removable pin shifting chute 20406 to beat
Fish out component 1；The terminating point of the down cup limiting slot 20407 is more close than the terminating point of down cup removable pin shifting chute 20406 to be beaten
Fish out component 1.
Further, 20201 air inlet slit 20308, institute are provided between upper leather cup movable sleeve 20304 and center rod sleeve
Air inlet slit is stated to be connected to upper leather cup inner cavity.
Further, inlet channel 20408, the inlet channel 20408 and hypodermis are set on down cup fixing sleeve 20402
The connection of bowl inner cavity.
Possessed by of the invention the utility model has the advantages that
The central tube test that sealing test pipe nipple of the present invention is invested in corresponding test layer injection well downhole flow regulator by launching pipe nipple step by step
Position carries out the zonal testing of strata pressure, is convenient to sealing underground into survey with one heart by steel wire salvaging tool after the completion of test
Examination pipe nipple salvages ground, and equipment occupancy is low, easy for construction, successfully tested rate is high.
Detailed description of the invention
Figure 1A, Figure 1B are the concentric sealing test pipe nipple original state schematic diagram in underground of the present invention；
Fig. 2A, Fig. 2 B are the schematic diagram that the concentric sealing test pipe nipple central passage in underground of the present invention is connected to dispensing pipe nipple；
Fig. 3 A, Fig. 3 B are the concentric sealing test pipe nipple locating detent opening state schematic diagram in underground of the present invention；
Fig. 4 A, Fig. 4 B are that the concentric sealing test pipe nipple leather cup in underground of the present invention opens schematic diagram；
Fig. 5 A, Fig. 5 B are the concentric sealing test pipe nipple fishing head unlocked state schematic diagram in underground of the present invention；
Fig. 6 A, Fig. 6 B are the complete unlocked state schematic diagram of the concentric sealing test pipe nipple fishing head in underground of the present invention.
Specific embodiment
Embodiment 1: as shown in FIG. 1A and 1B, Figure 1A is the top half that sealing test pipe nipple is in original state, figure
1B is the lower half portion that sealing test pipe nipple is in original state:
The concentric sealing test pipe nipple in underground, including sequentially connected salvaging component 1, seal assembly 2, positioning component 3 and
Lower contact component 4；Component 1 is salvaged to connect with dispensing device or marine salvage equipment；
Seal assembly 2 is close to injection well downhole flow regulator centre bore, will separate inside injection well downhole flow regulator water outlet and oil pipe, and it is logical to provide strata pressure
Road；Test nipple joint is fixed in injection well downhole flow regulator by positioning component 3；4 formation testing pressure of lower contact component.Before going into the well, underground is concentric
Sealing test pipe nipple is connect with electronic dispensing pipe nipple, close by control motor rotation control opening positioning component, spreading in underground
After strip of paper used for sealing bowl, the confirmation sealing of direct reading test pressure are qualified, motor is inverted, the concentric sealing test pipe nipple in underground stays in well, passes through
Lower end stores pressure gauge formation testing pressure, can be same by underground with fishing head merely with carding engine after completing test job
Heart sealing test pipe nipple is pulled out, and pressure playback is carried out.
Embodiment 2: salvaging component 1 includes salvaging center-pole 101, fishing head 102, fishing head steel ball 103, fishing sleeve
104 and fishing head stop assembly 105, the fixation group connecting with dispensing device or marine salvage equipment is provided on the fishing head 103
Part；102 sets of fishing head is on salvaging center-pole 101, and 102 one end of fishing head is contacted with salvaging center-pole 101, fishing head 102
It is provided with fishing sleeve 104 between the other end and salvaging center-pole 101, is provided with fishing socket steel ball on the fishing sleeve 104
Mounting groove 107, the depth of the fishing head steel ball mounting groove 107 are less than the diameter of fishing head steel ball 103, the salvaging center-pole
Fishing head steel-ball limiting slot 108 is provided on 101, there are two beat for the fishing head medial surface setting contacted with fishing head sleeve 104
Head steel ball upper limit position groove 109 is fished out, has platform transition between two fishing head steel ball upper limit position grooves 109.
Fishing head 102 is connect by fixation kit with dispensing device, at the check valve for salvaging 101 the top of center-pole
In closed state.
103 bottom of fishing head steel ball, which peaks at, salvages on center-pole 101, and top is located in fishing head steel ball upper limit position groove 109,
Lock tube reset spring 20204 is in Pre strained state, and the open end of center-pole steel ball lock tube is located at the top of sealed steel ball 20202, fixed
The support arm of hyte part is not switched on, the non-distending of the leather cup of seal assembly, salvages center-pole 101, the center-pole of seal assembly is located
In unlocked state, entire sealing test pipe nipple can go into the well work at this time.
Embodiment 3: it as shown in Fig. 2A and Fig. 2 B combination, is in and opens positioned at the check valve for salvaging 101 the top of center-pole
State, dispensing device push inner elements of check valve to move down, while driving and salvaging center-pole 101, center seal bar 201 and lead
Pressure pipe 401 moves down.
Embodiment 4: as shown in Fig. 3 A and Fig. 3 B combination, positioning component 3 includes positioning sleeve 301, support arm 302, support arm
Accumulator tank 303, spring 305 and the support arm lock-bit slot 304 being arranged on center seal bar 201, the positioning sleeve is sleeved on
One end of the end of center seal bar 201, positioning sleeve 301 is fixedly connected with down cup fixing sleeve, and support arm accumulator tank 303 is arranged
On positioning sleeve, the fixing end of support arm 302 is connect by pin shaft with positioning sleeve 301, the fixing end and support arm of support arm 302
Lock-bit slot 304, which cooperates, limits the round end of support arm in support arm accumulator tank, and spring 305 is located at support arm lock-bit slot 304
Between support arm fixing end.Center-pole 101 is salvaged at this time, center seal bar 201 and connecting pipe 401 continue to move down,
Support arm lock-bit slot 304 leaves the fixing end of support arm 302, and the round end of support arm 302 is under the action of spring 305 around pin shaft
Rotation, support arm are opened.
Embodiment 5: as shown in Fig. 4 A and Fig. 4 B combination, sealing locking assembly 202 includes center rod sleeve 20201, sealing
Steel ball 20202, center-pole steel ball lock tube 20203 and lock tube reset spring 20204, center rod sleeve 20201 are sleeved on salvaging
On center-pole 101 and center seal bar 201, rod sleeve 20201 one end in center is fixedly connected with fishing sleeve 104；Center rod set
It is provided with sealed steel ball mounting groove 20205 on cylinder 20201, sealed steel ball 20202 is located in sealed steel ball mounting groove 20205, close
The depth for sealing steel ball mounting groove 20205 is less than the diameter of sealed steel ball 20202；The center-pole steel ball lock tube 20203 is sleeved on
On center rod sleeve 20201, the top of sealed steel ball 20202 is contacted with center-pole steel ball lock tube 20203, sealed steel ball 20202
Bottom contacted with center seal bar 201, salvage center-pole 101 on be provided with sealed steel ball limiting slot 20206, center-pole steel ball
Lock tube 20203 is connect with lock tube reset spring 20204,20203 energy of center-pole steel ball lock tube under the action of lock tube reset spring
It is enough mobile；
Upper cupping component 203 includes upper leather cup 20301, upper leather cup movable end 20302 and upper leather cup fixing sleeve 20303,
Described upper leather cup one end is connect with upper leather cup movable end 20302, and the other end of the upper leather cup and upper leather cup fixing sleeve 20303 connect
It connects, the upper leather cup movable end 20302 can move axially, the upper leather cup fixing sleeve 20303 and center rod sleeve 20201
The other end is fixedly connected；
Upper leather cup movable end 20302 includes upper leather cup movable sleeve 20304 and upper leather cup removable pin 20305, the upper leather cup
Movable sleeve 20304 is sleeved on center rod sleeve 20201, and the shifting of leather cup removable pin is offered on the center rod sleeve 20201
Dynamic slot 20306, center seal bar are provided with leather cup limiting slot 20307, and upper 20304 upper end of leather cup removable pin is located at epithelium
In bowl movable sleeve 20304, the lower end of the upper leather cup removable pin is limited across the supreme leather cup of upper leather cup removable pin shifting chute 20306
In slot 20307；
The starting point of upper leather cup limiting slot 20307 than upper leather cup removable pin shifting chute 20306 starting point close to salvaging group
Part 1；The terminating point of the upper leather cup limiting slot 20307 than upper leather cup removable pin shifting chute 20306 terminating point close to salvaging group
Part 1.
Hypodermis bowl assembly includes down cup 20401, down cup movable end 20402 and down cup fixing sleeve 20403, described
20401 one end of down cup is connect with down cup movable end 20402, the other end and down cup fixing sleeve 20403 of the down cup
Connection, the down cup movable end 20402 can move axially, the down cup fixing sleeve 20403 and upper leather cup fixing sleeve
20303 are fixedly connected；
Down cup movable end 20402 includes down cup movable sleeve 20404 and down cup removable pin 20405, the down cup
Movable sleeve 20404 is sleeved on down cup fixing sleeve 20402, and down cup activity is offered on the down cup fixing sleeve 20403
Shifting chute 20406 is sold, center seal bar 201 is provided with down cup limiting slot 20407, down cup removable pin upper end 20405
In down cup movable sleeve 20404, the lower end of the down cup removable pin 20405 passes through down cup removable pin shifting chute
20406 in down cup limiting slot 20407；
The starting point of down cup limiting slot 20407 than down cup removable pin shifting chute 20406 starting point close to salvaging group
Part 1；The terminating point of the down cup limiting slot 20407 than down cup removable pin shifting chute 20406 terminating point close to salvaging group
Part 1.
The pressure guide hole 205 is arranged on upper leather cup fixing sleeve 20303, the pressure guide hole 205 and central seal bar 201
Central passage connection.
Center-pole 101 is salvaged, center seal bar 201 and connecting pipe 401 continue to move down, at this time upper leather cup removable pin
20305 move with the starting end in contact of upper leather cup removable pin shifting chute 20306, down cup removable pin 20405 and down cup removable pin
The starting end in contact of dynamic slot 20306, upper leather cup removable pin 20305 drives upper leather cup activity under the action of center seal bar 201
Set 20304 moves in upper leather cup removable pin shifting chute 20306, upper leather cup slowly distending, until upper leather cup removable pin 20305 with
Upper leather cup removable pin shifting chute 20306 terminates point contact.At the same time, down cup activity under the action of center seal bar 201
Pin 20405 drives down cup movable sleeve 20404 to move in down cup removable pin shifting chute 20406, down cup slowly distending, directly
To the termination point contact of down cup removable pin 20405 and leather cup removable pin shifting chute 20406.The upper complete distending of down cup at this time,
And be tightly attached in injection well downhole flow regulator centre bore, it will be separated inside water outlet and oil pipe.
Embodiment 6: as shown in Fig. 5 A and Fig. 5 B combination, center-pole 101, center seal bar 201 and connecting pipe 401 are salvaged
Continue to move down, fishing head steel ball 103 falls into fishing head steel-ball limiting slot 108, the top face of fishing head steel ball 103 at this time
Platform between two fishing head steel ball upper limit position grooves 109；Sealed steel ball 20202 falls into sealed steel ball limiting slot 20206, center
Bar steel ball lock tube 20203 flicks under the action of lock tube reset spring 20204, the top face center-pole of sealed steel ball 20202
The small diametric plane of steel ball lock tube 20203, fishing head unlock, fishing head retract.
Embodiment 7: fishing sleeve 106 is additionally provided with stop assembly mounting groove 110, and the stop assembly includes scotch
111, the fixing end of retaining spring 112 and spring base 113, scotch 111 is fixed on fishing sleeve 106 by pin shaft, another to revolve
Turn end to peak on fishing head inner wall, the bottom of round end is fixed with retaining spring 112, and the other end of retaining spring 112 is fixed on
On spring base 113；Stepped hole 114 is provided on the fishing head 102；
When fishing head retracts, when stepped hole 114 on 111 face fishing head 102 of scotch, scotch 111 is stopped
Spring 112, which bounces, to be stopped in stepped hole 114.Entire sealing test pipe nipple is at this time: support arm opening, leather cup distending shape
State.Judge at this time upper down cup whether sealed reliable, if sealed reliable can stay the concentric sealing test pipe nipple in underground in well
Test job is carried out, dispensing device is withdrawn from.
Embodiment 8: lower contact component includes lower case 401, connecting pipe 402, pressure gauge 403 and lower contact 404, lower case
401 one end is connect with down cup fixing sleeve 20403, and the other end of lower case 401 is fixed with lower contact 404, the connecting pipe
It is fixedly connected in shell 401 with center seal bar 201 and is connected to central passage, pressure gauge 403 is located at connecting pipe 402 and goes out
At mouthful.When upper down cup is fully sealed, pressure guide hole 205 and stratum combination of zones, strata pressure are come into close by pressure guide hole 205
Envelope is passed at pressure gauge 403 behind center-pole channel by connecting pipe 402, manometry strata pressure.
Embodiment 9: after the completion of test, steel wire test carriage, tripping in fishing head 102, with the fixed group in 102 surface of fishing head are used
After part overhead kick fastening, steel wire is above mentioned, fishing head 102 moves upwards, and close center-pole steel ball lock tube 20203 is driven to move, and unlocks close
Seal steel ball 20202；Meanwhile fishing head 101 above mentions on the fishing head steel ball for making fishing head steel ball 103 move to fishing head medial surface
In limiting slot 109, salvages center-pole 101 and unlock, salvaging center-pole 101, the center seal bar of the concentric sealing test pipe nipple in underground
It rebounds under the action of the spring, sealing cup unlock is rebounded, support arm is withdrawn, and the concentric sealing test pipe nipple in underground can be proposed smoothly
Ground, as shown in Fig. 6 A, 6B.
Embodiment 10: in order to which leather cup being capable of smooth quick distending: between upper leather cup movable sleeve 20304 and center rod sleeve
20201 are provided with air inlet slit 20308, and the air inlet slit is connected to upper leather cup inner cavity.It is arranged on down cup fixing sleeve 20402
Inlet channel 20408, the inlet channel 20408 are connected to down cup inner cavity.
Workflow:
1, dispensing device and fishing head are fixed, while sealing cup and support arm on the concentric sealing test pipe nipple in underground
In tightening state；
2, logical to the motor of dispensing device above the injection well downhole flow regulator at 5 meters or so distances according to the injection well downhole flow regulator depth to be launched
Electricity, motor continue to rotate, and center push rod pushes the salvaging of the concentric sealing test pipe nipple in underground, the movement of center seal bar, open branch
Brace.
3, continue to transfer instrument, while observing the tension on cable (or tensioning degree of observation cable) to judge instrument
Motion state, whether secure support is on the support level of injection well downhole flow regulator for support arm.
4, to machine motors power supply, (adjustment voltage to+55VDC), motor continues to rotate, and center-pole is pushed to drive upper hypodermis
Bowl struts simultaneously, and is tightly attached in injection well downhole flow regulator centre bore, will separate inside water outlet and oil pipe.
Motor continues to be rotated up lower end limit switch, motor automatic stop at this time.
Fishing head steel ball 103 falls into fishing head steel-ball limiting slot 108, the top face of fishing head steel ball 103 two at this time
Platform between fishing head steel ball upper limit position groove 109；Sealed steel ball 20202 falls into sealed steel ball limiting slot 20206, center-pole steel
Ball lock tube 20203 flicks under the action of lock tube reset spring 20204, the top face center-pole steel ball of sealed steel ball 20202
The small diametric plane of lock tube 20203, center seal bar and fishing head center rod locking, fishing head unlock, fishing head retract.Fishing head stops
Dynamic block bounces under the action of the spring, prevents fishing head from rebounding under the action of center-pole spring.
5, voltage is at this moment transferred to+40VDC, instrument work observes the pressure change of load cell, while setting with dispensing
The pressure in four parameter of direct-reading in standby compares, and two pressure changes occur showing when difference that cup packing is reliable up and down,
The concentric sealing test pipe nipple in underground can be stayed in carrying out test job in well.
6, motor power supply -50VDC is given, electronic dispensing pipe nipple motor reversely rotates, and electronic dispensing pipe nipple center push rod retracts,
When supreme limit-switch positions, motor automatic stop rotates (current of electric automatically becomes 0mA), at this moment upper portable cable, by four ginsengs
Number pipe nipple+electronic dispensing pipe nipple proposes ground together.
7, after the completion of testing, using steel wire test carriage, tripping in fishing sleeve above mentions steel after salvaging head surface overhead kick fastening
Silk, fishing head and upper movement, driving the movement of center-pole steel ball lock tube, unlock center rod lock steel ball, while fishing head above to mention makes
Fishing head locking steel ball moves in the solution locked groove inside fishing head, work of the concentric sealing test pipe nipple center-pole in underground in spring
It rebounds under, sealing cup unlock is rebounded, and the concentric sealing test pipe nipple in underground can smoothly propose ground.8, storage pressure gauge is taken out
Carry out pressure playback.
Claims (10)
1. the concentric sealing test pipe nipple in underground, including sequentially connected salvaging component (1), seal assembly (2), positioning component (3)
And lower contact component (4)；
Component (1) is salvaged to connect with dispensing device or marine salvage equipment；
Seal assembly (2) is close to injection well downhole flow regulator centre bore, will separate inside injection well downhole flow regulator water outlet and oil pipe, and it is logical to provide strata pressure
Road；
Test nipple joint is fixed in injection well downhole flow regulator by positioning component (3)；
Lower contact component (4) formation testing pressure.
2. the concentric sealing test pipe nipple in underground according to claim 1, it is characterised in that:
The salvaging component (1) includes salvaging center-pole (101), fishing head (102), fishing head steel ball 103, fishing sleeve
(104) and fishing head stop assembly (105) it, is provided on the fishing head (103) and to be connect with dispensing device or marine salvage equipment
Fixation kit；
The fishing head (102) covers on salvaging center-pole (101), and fishing head (102) one end connects with center-pole (101) are salvaged
Touching is provided with fishing sleeve (104), the fishing sleeve between the other end and salvaging center-pole (101) of fishing head (102)
(104) fishing socket steel ball mounting groove (107) is provided on, the depth of the fishing head steel ball mounting groove (107) is less than fishing head
The diameter of steel ball (103) is provided with fishing head steel-ball limiting slot (108) on the salvaging center-pole (101), with fishing head sleeve
(104) there are two fishing head steel ball upper limit position groove (109), two fishing head steel ball upper limits for the fishing head medial surface setting contacted
Slot has platform transition between (109).
3. the concentric sealing test pipe nipple in underground according to claim 2, it is characterised in that:
Fishing sleeve (106) is additionally provided with stop assembly mounting groove (110), and the fishing head stop assembly includes scotch
(111), retaining spring (112) and spring base (113), the fixing end of scotch (111) are fixed on fishing sleeve by pin shaft
(106) on, another round end is peaked on fishing head inner wall, and the bottom of round end is fixed with retaining spring (112), retaining spring
(112) the other end is fixed on spring base (113)；Stepped hole (114) are provided on the fishing head (102)；
When scotch (111) face stepped hole (114), scotch (111), which is stopped spring (112) and bounces, is stopped at stepped hole
(114) in.
4. the concentric sealing test pipe nipple in underground according to claim 3, it is characterised in that:
The seal assembly (2) includes center seal bar (201), sealing locking assembly (202), upper cupping component (203), hypodermis
Bowl assembly (204) and the pressure guide hole (205) between upper cupping component (203) and hypodermis bowl assembly (204)；
The upper end of center seal bar (201) is fixedly connected with center-pole (101) are salvaged；
Sealing locking assembly (202) includes center rod sleeve (20201), sealed steel ball (20202), center-pole steel ball lock tube
(20203) and lock tube reset spring (20204), center rod sleeve (20201) are sleeved in salvaging center-pole (101) and sealing
On core bar (201), rod sleeve (20201) one end in center is fixedly connected with fishing sleeve (104)；On center rod sleeve (20201)
It is provided with sealed steel ball mounting groove (20205), sealed steel ball (20202) is located in sealed steel ball mounting groove (20205), seals steel
The depth of ball mounting groove (20205) is less than the diameter of sealed steel ball (20202)；Center-pole steel ball lock tube (20203) suit
On center rod sleeve (20201), the top of sealed steel ball (20202) is contacted with center-pole steel ball lock tube (20203), seals steel
The bottom of ball (20202) is contacted with center seal bar (201), is salvaged and is provided with sealed steel ball limiting slot on center-pole (101)
(20206), center-pole steel ball lock tube (20203) is connect with lock tube reset spring (20204), under the action of lock tube reset spring
Center-pole steel ball lock tube (20203) can move；
The upper cupping component (203) includes upper leather cup (20301), upper leather cup movable end (20302) and upper leather cup fixing sleeve
(20303), described upper leather cup one end is connect with upper leather cup movable end (20302), and the other end and upper leather cup of the upper leather cup are solid
Fixed set (20303) connection, the upper leather cup movable end (20302) can move axially, the upper leather cup fixing sleeve (20303) with
The other end of center rod sleeve (20201) is fixedly connected；
The hypodermis bowl assembly includes down cup (20401), down cup movable end (20402) and down cup fixing sleeve
(20403), described down cup (20401) one end is connect with down cup movable end (20402), and the other end of the down cup is under
Leather cup fixing sleeve (20403) connection, the down cup movable end (20402) can move axially, the down cup fixing sleeve
(20403) it is fixedly connected with upper leather cup fixing sleeve (20303)；
The pressure guide hole (205) is arranged on upper leather cup fixing sleeve (20303), the pressure guide hole (205) and central seal bar
(201) central passage connection.
5. the concentric sealing test pipe nipple in underground according to claim 4, it is characterised in that:
The positioning component (3) include positioning sleeve (301), support arm (302), support arm accumulator tank (303), spring (305) with
And the support arm lock-bit slot (304) being arranged on center seal bar (201), the positioning sleeve are sleeved on center seal bar (201)
End, one end of the positioning sleeve (301) is fixedly connected with down cup fixing sleeve, support arm accumulator tank (303) setting
On positioning sleeve, the fixing end of the support arm (302) is connect by pin shaft with positioning sleeve (301), the support arm (302)
Fixing end and support arm lock-bit slot (304), which cooperate, limits the spring in support arm accumulator tank for the round end of support arm
(305) between support arm lock-bit slot (304) and support arm fixing end.
6. according to the concentric sealing test pipe nipple in underground described in claim 5, it is characterised in that: lower contact component includes lower case
(401), one end of connecting pipe (402), pressure gauge (403) and lower contact (404), the lower case (401) is fixed with down cup
(20403) connection is covered, the other end of lower case (401) is fixed with lower contact (404), and the connecting pipe is located in shell (401)
It is fixedly connected with center seal bar (201) and is connected to central passage, pressure gauge (403) is located at connecting pipe (402) exit.
7. the concentric sealing test pipe nipple in underground according to claim 2, it is characterised in that:
Upper leather cup movable end (20302) includes upper leather cup movable sleeve (20304) and upper leather cup removable pin (20305), the epithelium
Bowl movable sleeve (20304) is sleeved on center rod sleeve (20201), offers leather cup on the center rod sleeve (20201)
Removable pin shifting chute (20306), center seal bar are provided with leather cup limiting slot (20307), the upper leather cup removable pin
(20304) upper end is located in upper leather cup movable sleeve (20304), and the lower end of the upper leather cup removable pin is moved across upper leather cup removable pin
In dynamic slot (20306) supreme leather cup limiting slot (20307)；
The starting point of the upper leather cup limiting slot (20307) is more close than the starting point of upper leather cup removable pin shifting chute (20306) to beat
It fishes out component (1)；Terminating point of the terminating point of the upper leather cup limiting slot (20307) than upper leather cup removable pin shifting chute (20306)
Close to salvaging component (1).
8. the concentric sealing test pipe nipple in underground according to claim 2, it is characterised in that:
Down cup movable end (20402) includes down cup movable sleeve (20404) and down cup removable pin (20405), the hypodermis
Bowl movable sleeve (20404) is sleeved on down cup fixing sleeve (20402), is offered down on the down cup fixing sleeve (20403)
Leather cup removable pin shifting chute (20406), center seal bar (201) are provided with down cup limiting slot (20407), and the down cup is living
Dynamic pin upper end (20405) is located in down cup movable sleeve (20404), and the lower end of the down cup removable pin (20405) passes through down
In leather cup removable pin shifting chute (20406) to down cup limiting slot (20407)；
The starting point of the down cup limiting slot (20407) is more close than the starting point of down cup removable pin shifting chute (20406) to beat
It fishes out component (1)；Terminating point of the terminating point of the down cup limiting slot (20407) than down cup removable pin shifting chute (20406)
Close to salvaging component (1).
9. the concentric sealing test pipe nipple in underground according to claim 5, it is characterised in that: upper leather cup movable sleeve (20304)
(20201) are provided with air inlet slit (20308) between the rod sleeve of center, and the air inlet slit is connected to upper leather cup inner cavity.
10. the concentric sealing test pipe nipple in underground according to claim 6, it is characterised in that: down cup fixing sleeve (20402)
Upper setting inlet channel (20408), the inlet channel (20408) are connected to down cup inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811512199.0A CN109441433A (en) | 2018-12-11 | 2018-12-11 | The concentric sealing test pipe nipple in underground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811512199.0A CN109441433A (en) | 2018-12-11 | 2018-12-11 | The concentric sealing test pipe nipple in underground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109441433A true CN109441433A (en) | 2019-03-08 |
Family
ID=65558454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811512199.0A Pending CN109441433A (en) | 2018-12-11 | 2018-12-11 | The concentric sealing test pipe nipple in underground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109441433A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012723A (en) * | 2020-10-12 | 2020-12-01 | 贵州航天凯山石油仪器有限公司 | Method for long-term synchronous monitoring of concentric well layered pressure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4856582A (en) * | 1988-07-20 | 1989-08-15 | Atlantic Richfield Company | Motorized wellbore fishing tool |
| CN2741029Y (en) * | 2004-10-19 | 2005-11-16 | 大庆油田有限责任公司 | Testing sealer of mechanical water-blocking well |
| CN201095974Y (en) * | 2007-11-01 | 2008-08-06 | 吐哈石油勘探开发指挥部工程技术研究院 | Uniflow valve throwing in and fishing out by steel wire operation |
| CN101550815A (en) * | 2009-04-08 | 2009-10-07 | 中国石油天然气股份有限公司 | Bridge plug for plugging oil pipe |
| CN205297504U (en) * | 2015-12-09 | 2016-06-08 | 中国石油天然气股份有限公司 | Bridge type concentric seal testing, measuring and adjusting integrated control device |
| CN105649611A (en) * | 2016-02-26 | 2016-06-08 | 中国石油天然气股份有限公司 | Concentric electric layered pressure drop testing instrument and testing method thereof |
| CN209430189U (en) * | 2018-12-11 | 2019-09-24 | 陕西华晨石油科技有限公司 | The concentric sealing test pipe nipple in underground |
-
2018
- 2018-12-11 CN CN201811512199.0A patent/CN109441433A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4856582A (en) * | 1988-07-20 | 1989-08-15 | Atlantic Richfield Company | Motorized wellbore fishing tool |
| CN2741029Y (en) * | 2004-10-19 | 2005-11-16 | 大庆油田有限责任公司 | Testing sealer of mechanical water-blocking well |
| CN201095974Y (en) * | 2007-11-01 | 2008-08-06 | 吐哈石油勘探开发指挥部工程技术研究院 | Uniflow valve throwing in and fishing out by steel wire operation |
| CN101550815A (en) * | 2009-04-08 | 2009-10-07 | 中国石油天然气股份有限公司 | Bridge plug for plugging oil pipe |
| CN205297504U (en) * | 2015-12-09 | 2016-06-08 | 中国石油天然气股份有限公司 | Bridge type concentric seal testing, measuring and adjusting integrated control device |
| CN105649611A (en) * | 2016-02-26 | 2016-06-08 | 中国石油天然气股份有限公司 | Concentric electric layered pressure drop testing instrument and testing method thereof |
| CN209430189U (en) * | 2018-12-11 | 2019-09-24 | 陕西华晨石油科技有限公司 | The concentric sealing test pipe nipple in underground |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012723A (en) * | 2020-10-12 | 2020-12-01 | 贵州航天凯山石油仪器有限公司 | Method for long-term synchronous monitoring of concentric well layered pressure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111305826B (en) | Electric control anchoring and setting type layered pressure measuring system for oil-water well and implementation method thereof | |
| CN110984960B (en) | Top pressure type layered water pumping and injecting test system and method for same-diameter drilling holes | |
| CN109356541A (en) | Electric delivery short section and delivery method | |
| CN108756874B (en) | Logging instrument and coring sampling method | |
| CN111502643B (en) | Downhole positioning tool and method | |
| CN209430189U (en) | The concentric sealing test pipe nipple in underground | |
| CN109441433A (en) | The concentric sealing test pipe nipple in underground | |
| CN104514540B (en) | Bridge type eccentric separated injection electric seal checking method | |
| CN205532529U (en) | Piston control formula is prevented returning and is told eccentric injection mandrel | |
| CN211008525U (en) | Electric throwing short joint | |
| CN105089619A (en) | Electric seal testing method and electric seal testing instrument for bridge type concentric separate injection pipe column | |
| CN104775806A (en) | Underground walking robot for oil and gas wells | |
| CN113155016A (en) | Embedded multi-angle slope stability dynamic monitoring device and implementation method | |
| CN109441419B (en) | Oil gas reservoir secondary transformation tubular column | |
| CN104747175A (en) | Layered seal testing instrument | |
| CN101936311A (en) | Stratum pressure tester accumulator while drilling | |
| CN112081581A (en) | Electric layered pressure measuring tool for concentric water distributor | |
| CN115992697B (en) | Side pressure testing system and side pressure testing method | |
| CN106223888A (en) | sealing liquid rope coring drill | |
| CN208950532U (en) | Electric sliding sleeve capable of being repeatedly opened and closed for gas injection pipeline of mine | |
| CN203373718U (en) | Double-ring water filling experiment device | |
| CN211900564U (en) | Water distribution device for oil field | |
| CN210919022U (en) | Roof pressure formula layering of same footpath drilling test system that draws water | |
| CN215857892U (en) | Intelligent device for monitoring sudden surge of confined water in excavation of ultra-large and ultra-deep foundation pit | |
| CN115573699A (en) | Functional short section of formation tester and use method thereof |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190308 |
|
| WD01 | Invention patent application deemed withdrawn after publication |