CN104632149A - Layered pressure-measuring bottom-hole regulator and downhole layered oil production device - Google Patents
Layered pressure-measuring bottom-hole regulator and downhole layered oil production device Download PDFInfo
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- CN104632149A CN104632149A CN201410838162.2A CN201410838162A CN104632149A CN 104632149 A CN104632149 A CN 104632149A CN 201410838162 A CN201410838162 A CN 201410838162A CN 104632149 A CN104632149 A CN 104632149A
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- production mandrel
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- blanking plug
- seal
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 105
- 238000009530 blood pressure measurement Methods 0.000 claims description 49
- 230000003068 static effect Effects 0.000 claims description 25
- 239000011148 porous material Substances 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000931705 Cicada Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/14—Obtaining from a multiple-zone well
-
- 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
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- 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)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a layered pressure-measuring bottom-hole regulator. The layered pressure-measuring bottom-hole regulator solves the technical problem that in the prior art, a layered oil production pump has a poor layered oil production effect. The layered pressure-measuring bottom-hole regulator comprises a fishing pressure-measuring blanking plug, an outer sleeve, a bottom-hole regulator body, an upper guide joint, a lower joint, a delivery head, a fishing head, a commissioning shaft, a commissioning sleeve and a sealing member. An inner hole is formed in the bottom-hole regulator body along the axis. The fishing pressure-measuring blanking plug is positioned in the inner hole. The bottom-hole regulator body is fixedly sleeved with the outer sleeve. The upper guide joint is fixed to the upper end of the outer sleeve, and the lower joint is fixed to the lower end of the outer sleeve. The fishing head is arranged at the upper end of the fishing pressure-measuring blanking plug and placed in the delivery head. The upper end of the sealing member is connected with the delivery head, and the lower end of the sealing member is connected with the commissioning sleeve. The commissioning shaft is sleeved with the commissioning sleeve. Accordingly, more controllable and more efficient layer oil production is achieved, and the oil production mode has a better layered oil production effect compared with an existing layered oil production mode.
Description
Technical field
The invention belongs to oil recovery technique field, particularly relate to a kind of delaminating pressure testing production mandrel and laminated distributor under well extracting device of oil.
Background technology
In order to give full play to the productive potentialities of each oil reservoir, to multiple zone commingled producing well, adopting layered oil pump to realize two-layer or commingling production at present, improving single well productivity.
Layered oil pump is the mode carrying out combining that linked together by two-stage (two-speed) pump, opens two producing zone positions with packer isolates, the feed pathway of each pump respectively by the fluid extraction of two oil reservoirs, and top oil pipe or on pump standing valve place converge extraction.
But existing layered oil pump is combined by two-stage (two-speed) pump, not only can only realize adopting well dividing of two oil reservoirs, and cannot oil production by layer pressure measurement be carried out, this shows, existing oil production by layer mode poor effect.
Summary of the invention
The object of the present invention is to provide a kind of delaminating pressure testing production mandrel and laminated distributor under well extracting device of oil, substitute the oil production method of original layered oil pump, solve the technical problem that layered oil pump of the prior art carries out oil production by layer poor effect.
First aspect, the invention provides a kind of delaminating pressure testing production mandrel, comprising: pulling pressure measurement blanking plug, overcoat, production mandrel main body, guiding top connection, and lower contact, delivers head, fishing head, debugging axle, debugging cover, seal;
Described production mandrel main body has endoporus along axis, described pulling pressure measurement blanking plug is positioned in described endoporus, described production mandrel main body extenal fixation is set with described overcoat, described guiding top connection is fixed in the upper end of described overcoat, described lower contact is fixed in the lower end of described overcoat, there is fishing head described pulling pressure measurement blanking plug upper end, described fishing head is placed in described delivery head, the upper end of described seal is connected with described delivery head, the lower end of described seal with described debug to overlap be connected, described debugging cover is socketed with described debugging axle;
Wherein, described debugging axle top has ground laminar flow pressure gaging hole, and side direction has stratum static opening, by the threaded adjusting between described debugging cover and described debugging axle, controls described stratum static opening and is in open mode or closed condition.
Preferably, the medial side of described production mandrel main body joins birth pore to having, described pulling pressure measurement blanking plug side direction have with described join that birth pore is communicated with join product pressure tap.
Preferably, the inside of described production mandrel main body has location taper hole, is formed with bullet in the middle part of described seal;
Wherein, when described bullet and described locating cone hole are formed and locate, described pulling pressure measurement blanking plug is positioned in described endoporus, and joins birth pore described in making and produce the corresponding connection of pressure tap with described joining.
Preferably, described pulling pressure measurement blanking plug is provided with cam, the camshaft that described seal top is arranged fixes described cam, limited location stuck point between the bottom of described fishing head and described cam, and described spacing stuck point regulates described cam to block in the lower surface of described guiding top connection.
Preferably, described cam is provided with torsion spring.
Preferably, the middle part cover of described seal has O-ring seal, with the centre bore fitted seal of described production mandrel main body.
Preferably, the lower end of described debugging axle is formed with guiding cone.
Preferably, the inside of described debugging axle is formed with cavity along axis, is provided with pressure gauge in described cavity.
Preferably, described delaminating pressure testing production mandrel comprises the described pulling pressure measurement blanking plug of multiple concentric setting, and wherein, the diameter of multiple described pulling pressure measurement blanking plug is different.
Second aspect, the invention provides a kind of laminated distributor under well extracting device of oil, comprises packer, rod-type pumping unit, and any one delaminating pressure testing production mandrel described in first aspect,
Wherein, described delaminating pressure testing production mandrel, comprising: pulling pressure measurement blanking plug, overcoat, production mandrel main body, guiding top connection, and lower contact, delivers head, fishing head, debugging axle, debugging cover, seal;
Described production mandrel main body has endoporus along axis, described pulling pressure measurement blanking plug is positioned in described endoporus, described production mandrel main body extenal fixation is set with described overcoat, described guiding top connection is fixed in the upper end of described overcoat, described lower contact is fixed in the lower end of described overcoat, there is fishing head described pulling pressure measurement blanking plug upper end, described fishing head is placed in described delivery head, the upper end of described seal is connected with described delivery head, the lower end of described seal with described debug to overlap be connected, described debugging cover is socketed with described debugging axle;
Wherein, described debugging axle top has ground laminar flow pressure gaging hole, and side direction has stratum static opening, by the threaded adjusting between described debugging cover and described debugging axle, controls described stratum static opening and is in open mode or closed condition.
By technical scheme provided by the present invention, at least there is following technique effect or advantage:
By delaminating pressure testing production mandrel provided by the present invention, can be supporting with packer, rod-type pumping unit, with packer, each oil reservoir is separated, delaminating pressure testing production mandrel is delivered among the main body of delaminating pressure testing production mandrel by throw in catcher, form the independent oil inlet passage of each oil reservoir, avoid the interference of the interlayer pressure difference of each oil reservoir, effectively play each oil reservoir and produce potential.Measure stream pressure value when oil reservoir is produced when achieving oil reservoir production, measure the static pressure of oil reservoir when oil reservoir is closed, and then achieve more controlled, more efficient oil production by layer, compares existing oil production by layer mode effect better.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the sectional drawing of delaminating pressure testing production mandrel in the embodiment of the present invention;
Fig. 2 is the sectional drawing of institute's displacement structure in production mandrel main body in Fig. 1.
Detailed description of the invention
In order to solve the technical problem of oil production by layer mode poor effect in prior art, the invention provides a kind of delaminating pressure testing production mandrel, total thinking is as follows:
By the composition such as production mandrel main body and pulling pressure measurement blanking plug delaminating pressure testing production mandrel, pulling pressure measurement blanking plug is delivered among the production mandrel main body of delaminating pressure testing production mandrel, form each oil reservoir independently oil inlet passage, avoid interlayer interference between each oil reservoir, effectively play each oil reservoir and produce potential, realize the stream pressure value measured when oil reservoir is produced when oil reservoir is produced, when oil reservoir is closed, measure the static pressure of oil reservoir.And then achieving more controlled, more efficient oil production by layer, compares existing oil production by layer mode effect better.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Shown in figure 1, Fig. 2, Fig. 1 is the sectional drawing of delaminating pressure testing production mandrel in the embodiment of the present invention, Fig. 2 is the sectional drawing of institute's displacement structure in production mandrel main body in Fig. 1, and the delaminating pressure testing production mandrel in the embodiment of the present invention comprises: pulling pressure measurement blanking plug 1, overcoat 2, production mandrel main body 3, guiding top connection 4, lower contact 5, delivers 6, fishing head 7, debugging axle 8, debugging cover 9, seal 10;
In embodiments of the present invention, production mandrel main body 3 has endoporus along axis, and pulling pressure measurement blanking plug 1 to be seated in the endoporus of production mandrel main body 3 and to position, and production mandrel main body 3 fixed sleeves is equipped with overcoat 2, the upper end fixed guide top connection 4 of overcoat 2, lower contact 5 is fixed in the lower end of overcoat 2.
Concrete, the top of overcoat 2 is formed with internal thread, and the bottom of guiding top connection 4 is formed with external screw thread, thus the top of overcoat 2 and guiding top connection 4 are for being threaded, with fixing of realize leading top connection 4 and overcoat 2.
Concrete, the bottom of overcoat 2 is formed with internal thread, and the top of lower contact 5 is formed with internal thread, thus the bottom of overcoat 2 and lower contact 5 are for being threaded, to realize fixing of lower contact 5 and overcoat 2.
Concrete, middle part and the production mandrel main body 3 of overcoat 2 are welded as a whole.
Concrete, the top of guiding top connection 4 is formed with tubing round thread, and for connected pipes, the bottom of lower contact 5 is formed with tubing round thread, for connected pipes.
In embodiments of the present invention, there is fishing head 7 upper end of pulling pressure measurement blanking plug 1, and fishing head 7 is placed in be delivered in 6.Concrete, a fishing head 7 and be provided with spring 11 between delivering 6, can make relative to delivering the length that 6 regulate fishing heads 7.
In embodiments of the present invention, have seal 10 outside pulling pressure measurement blanking plug 1, the upper end of seal 10 and delivery 6 is connected, and the lower end of seal 10 is connected with debugging cover 9, the bottom of debugging cover 9 and debug axle 8 and be socketed.
Concrete, there is pin hole on the top delivering 6, install during for delivering pulling pressure measurement blanking plug 1 and deliver pin.Meanwhile, be formed with external screw thread in the bottom delivering 6, be threaded with the internal thread on seal 10 top, the upper end achieving seal 10 and the connection delivering 6.
Concrete, be formed with external screw thread in the bottom of seal 10, be threaded with the internal thread of debugging cover 9, achieve the lower end of seal 10 and the connection of debugging cover 9.
Concrete, the bottom of debugging cover 9 is formed with internal thread, and the external screw thread formed with the top of debugging axle 8 carries out being threaded, thus achieves the bottom of debugging cover 9 and the socket of debugging axle 8.
In specific implementation process, the inside center of seal 10 also carries out combination sealing with debugging axle 8.
In embodiments of the present invention, pulling pressure measurement blanking plug 1 has join and produces pressure tap 12, production mandrel main body 3 has with join produce that pressure tap 12 communicates join birth pore 13.The top of debugging axle 8 has ground laminar flow pressure gaging hole 14, and the medial side of debugging axle 8 is to having stratum static opening 15.
Concrete, joining birth pore 13 and open at the middle part of production mandrel main body 3, can be one or more, specifically, can join birth pore 13 in the medial side of production mandrel main body 3 to having two or three.
Concrete, the delaminating pressure testing production mandrel in the embodiment of the present invention comprises the pulling pressure measurement blanking plug 1 of multiple concentric setting, and wherein, the diameter of multiple pulling pressure measurement blanking plug 1 is different, realizes multiple zone pressure measurement.
In one embodiment, threaded adjusting between the state debugging cover 9 of ground laminar flow pressure gaging hole 14 and stratum static opening 15 and debugging axle 8 regulates to control, specifically, by the threaded adjusting between debugging cover 9 and debugging axle 8, controls ground laminar flow pressure gaging hole 14 and be in open mode or closed condition, and control stratum static opening 15 is in open mode or closed condition:
1, axle 8 is debugged when being stretched to maximum, joining product pressure tap 12 presses pressure tap 14 to communicate with ground laminar flow, the laminar flow pressure hole 14, ground of then debugging on axle 8 is now be in open mode, stratum static pressure pressure tap 15 is in closed condition, at this moment this layer of position is production status, now, the ground laminar flow pressure value of producing zone position can be measured;
2, debugging axle 8 when foreshortening to minimum, joining product pressure tap 12 and communicating with stratum static opening 15, the ground laminar flow pressure gaging hole 14 on debugging axle 8 is now in closed condition, and stratum static pressure pressure tap 15 is in open mode.
In another embodiment, ground laminar flow pressure gaging hole 14 can fill plug sealing, and the mode sealed by plug controls the state of ground laminar flow pressure gaging hole 14.Specifically, when local laminar flow pressure gaging hole 14 is equipped with sealing plug, ground laminar flow pressure gaging hole 14 is in closed condition; When local laminar flow pressure gaging hole 14 is unkitted sealing plug, ground laminar flow pressure gaging hole 14 is in open mode.And the state reference aforementioned embodiments of stratum static opening 15.
By aforementioned delaminating pressure testing production mandrel, delivering 6 is delivered among production mandrel main body 3 by pulling pressure measurement blanking plug 1, joining on pulling pressure measurement blanking plug 1 produces pressure tap 12 and communicates with the birth pore 13 of joining in production mandrel main body 3, elongates or shortens by regulating on ground to the screw thread of debugging axle 8 between debugging cover 9:
(1), debug axle 8 when being stretched to maximum, ground laminar flow pressure hole 14 is in open mode, and stratum static pressure pressure tap 1 is in closed condition, and at this moment this layer of position is production status, can measure the ground laminar flow pressure value of producing zone position;
(2), debugging axle 8 is when foreshortening to minimum, and ground laminar flow pressure gaging hole 14 is in closed condition, and stratum static pressure pressure tap 15 is in open mode, and at this moment this layer of position is closed condition, can not produce, and can measure the stratum static pressure of closed layer position.
Can know based on above-mentioned operating principle, according to geology production requirement, pulling pressure measurement blanking plug 1 is delivered to equivalent layer position, then equivalent layer position is just in and produces or close production status, producing zone position then measures ground laminar flow pressure value during production, and what producing zone position did not then measure is stratum static pressure.Thus the stratum static pressure achieving the ground laminar flow pressure value and not producing zone position obtaining producing zone position by pulling pressure measurement blanking plug 1 enrolls out, the formation pressure situation of change of each layer position during for analyzing and judging oil well production.
Further, the delaminating pressure testing production mandrel that the embodiment of the present invention provides, pulling pressure measurement blanking plug 1 is also provided with cam 16, cam 16 can be blocked in the lower surface of guiding top connection 4, because during pulling pressure measurement blanking plug 1, cam 16 is anchored under guiding top connection 4, makes the delivery pin delivered on 6 cut off, and pulling pressure measurement blanking plug 1 can successfully throw off dropping feeder 6.In order to regulate the lower surface of guiding top connection 4 whether to block cam 16, limited location stuck point between the bottom of fishing head 7 and cam 16, whether to be blocked in the lower surface of guiding top connection 4 by spacing stuck point adjustment cam 16.
Further, in order to stationary cam 16, the top of seal 10 is provided with camshaft, with stationary cam 16 on camshaft.
Further, in order to make pulling pressure measurement blanking plug 1 to propose smoothly, cam 16 being provided with torsion spring, providing twisting resistance to ensure when fishing head 7 is carried, cam 16 can return, thus pulling pressure measurement blanking plug 1 can be suggested.
Further, the middle part suit O-ring seal 17 of seal 10, with the centre bore fitted seal of production mandrel main body 3, can also coordinate with seal 10 and seal stratum baroport 15.
Further, the middle part of seal 10 is formed with bullet A, corresponding, adaptive location taper hole is formed in the inner side of production mandrel main body 3, accurate location is formed with the bullet A in the middle part of seal 10, at this moment, in production mandrel main body 3 joining birth pore 13 and joining on pulling pressure measurement blanking plug 1 to produce pressure tap 12 just right, with ditch wildcard birth pore 13 and join and produce pressure tap 12.
Delaminating pressure testing production mandrel in the embodiment of the present invention, also be included in production mandrel main body 3 inside and have guiding taper hole, being convenient to pulling pressure measurement blanking plug 1 is seated among the endoporus of production mandrel main body 3, and be formed with guiding cone, so that pulling pressure measurement blanking plug 1 enters in production mandrel main body 3 in the lower end of debugging axle 8.
Concrete, in order to realize formation testing pressure, the inside of debugging axle 8 is formed with cavity 18 along axis, and cavity 18 is equipped with pressure gauge, for formation testing pressure, but, in specific implementation process, in cavity 18, also thermometer can be installed, for formation testing temperature.
Based on same inventive concept, another embodiment of the present invention provides a kind of laminated distributor under well extracting device of oil, comprises packer, rod-type pumping unit, and any one the delaminating pressure testing production mandrel described in previous embodiment, shown in figure 1 and Fig. 2, comprising: pulling pressure measurement blanking plug 1, overcoat 2, production mandrel main body 3, guiding top connection 4, lower contact 5, deliver 6, fishing head 7, debugging axle 8, debugging cover 9; Production mandrel main body 3 has endoporus along axis, pulling pressure measurement blanking plug 1 is positioned in endoporus, production mandrel main body 3 extenal fixation suit overcoat 2, the upper end fixed guide top connection 4 of overcoat 2, lower contact 5 is fixed in the lower end of overcoat 2, and there is fishing head 7 pulling pressure measurement blanking plug 1 upper end, fishing head 7 is placed in be delivered in 6, the upper end of seal 10 and delivery 6 is connected, and the lower end of seal 10 is connected with debugging cover 9, debugging cover 9 and debug axle 8 and be socketed; Wherein, debugging axle 8 top has ground laminar flow pressure gaging hole 14, and side direction has stratum static opening 15, by the threaded adjusting between debugging cover 9 and debugging axle 8, controls stratum static opening 15 and is in open mode or closed condition.
Delaminating pressure testing production mandrel in the present embodiment is with reference to previous embodiment, and miscellaneous part is with reference to prior art, and succinct in order to manual, is not described herein.
Technical scheme in the invention described above embodiment, at least has following technique effect or advantage:
By delaminating pressure testing production mandrel provided by the present invention, can be supporting with packer, rod-type pumping unit, with packer, each oil reservoir is separated, delaminating pressure testing production mandrel is delivered among the main body of delaminating pressure testing production mandrel by throw in catcher, form the independent oil inlet passage of each oil reservoir, avoid the interference of the interlayer pressure difference of each oil reservoir, effectively play each oil reservoir and produce potential.Measure stream pressure value when oil reservoir is produced when achieving oil reservoir production, measure the static pressure of oil reservoir when oil reservoir is closed, and then achieve more controlled, more efficient oil production by layer, compares existing oil production by layer mode effect better.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a delaminating pressure testing production mandrel, is characterized in that, comprising: pulling pressure measurement blanking plug, overcoat, production mandrel main body, guiding top connection, and lower contact, delivers head, fishing head, debugging axle, debugging cover, seal;
Described production mandrel main body has endoporus along axis, described pulling pressure measurement blanking plug is positioned in described endoporus, described production mandrel main body extenal fixation is set with described overcoat, described guiding top connection is fixed in the upper end of described overcoat, described lower contact is fixed in the lower end of described overcoat, there is fishing head described pulling pressure measurement blanking plug upper end, described fishing head is placed in described delivery head, the upper end of described seal is connected with described delivery head, the lower end of described seal with described debug to overlap be connected, described debugging cover is socketed with described debugging axle;
Wherein, described debugging axle top has ground laminar flow pressure gaging hole, and side direction has stratum static opening, by the threaded adjusting between described debugging cover and described debugging axle, controls described stratum static opening and is in open mode or closed condition.
2. delaminating pressure testing production mandrel as claimed in claim 1, it is characterized in that, the medial side of described production mandrel main body joins birth pore to having, described pulling pressure measurement blanking plug side direction have with described join that birth pore is communicated with join product pressure tap.
3. delaminating pressure testing production mandrel as claimed in claim 2, it is characterized in that, the inside of described production mandrel main body has location taper hole, is formed with bullet in the middle part of described seal;
Wherein, when described bullet and described locating cone hole are formed and locate, described pulling pressure measurement blanking plug is positioned in described endoporus, and joins birth pore described in making and produce the corresponding connection of pressure tap with described joining.
4. delaminating pressure testing production mandrel as claimed in claim 1, it is characterized in that, described pulling pressure measurement blanking plug is provided with cam, the camshaft that described seal top is arranged fixes described cam, limited location stuck point between the bottom of described fishing head and described cam, described spacing stuck point regulates described cam to block in the lower surface of described guiding top connection.
5. delaminating pressure testing production mandrel as claimed in claim 4, is characterized in that, described cam is provided with torsion spring.
6. delaminating pressure testing production mandrel as claimed in claim 1, is characterized in that, the middle part cover of described seal has O-ring seal, with the centre bore fitted seal of described production mandrel main body.
7. delaminating pressure testing production mandrel as claimed in claim 1, is characterized in that, the lower end of described debugging axle is formed with guiding cone.
8. delaminating pressure testing production mandrel as claimed in claim 7, it is characterized in that, the inside of described debugging axle is formed with cavity along axis, is provided with pressure gauge in described cavity.
9. delaminating pressure testing production mandrel as claimed in claim 1, it is characterized in that, described delaminating pressure testing production mandrel comprises the described pulling pressure measurement blanking plug of multiple concentric setting, and wherein, the diameter of multiple described pulling pressure measurement blanking plug is different.
10. a laminated distributor under well extracting device of oil, is characterized in that, comprises packer, rod-type pumping unit, and the delaminating pressure testing production mandrel as described in claim arbitrary in claim 1-9,
Wherein, described delaminating pressure testing production mandrel, comprising: pulling pressure measurement blanking plug, overcoat, production mandrel main body, guiding top connection, and lower contact, delivers head, fishing head, debugging axle, debugging cover, seal;
Described production mandrel main body has endoporus along axis, described pulling pressure measurement blanking plug is positioned in described endoporus, described production mandrel main body extenal fixation is set with described overcoat, described guiding top connection is fixed in the upper end of described overcoat, described lower contact is fixed in the lower end of described overcoat, there is fishing head described pulling pressure measurement blanking plug upper end, described fishing head is placed in described delivery head, the upper end of described seal is connected with described delivery head, the lower end of described seal with described debug to overlap be connected, described debugging cover is socketed with described debugging axle;
Wherein, described debugging axle top has ground laminar flow pressure gaging hole, and side direction has stratum static opening, by the threaded adjusting between described debugging cover and described debugging axle, controls described stratum static opening and is in open mode or closed condition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410838162.2A CN104632149B (en) | 2014-12-29 | 2014-12-29 | A kind of delaminating pressure testing production mandrel and laminated distributor under well extracting device of oil |
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| CN201410838162.2A CN104632149B (en) | 2014-12-29 | 2014-12-29 | A kind of delaminating pressure testing production mandrel and laminated distributor under well extracting device of oil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105888650A (en) * | 2016-04-15 | 2016-08-24 | 中国石油天然气股份有限公司 | Gas well storage type integrated layered production allocation pressure gauge |
| CN107120079A (en) * | 2017-06-14 | 2017-09-01 | 中国石油天然气股份有限公司 | A kind of dropping in and taking off type inverse well-flushing valve |
| CN114856548A (en) * | 2022-05-20 | 2022-08-05 | 西南石油大学 | Chemical flooding pressure-dividing well layering pressure measuring device |
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| CN2084979U (en) * | 1991-03-25 | 1991-09-18 | 辽河石油勘探局沈阳采油厂 | Pressure measuring device for hydraulic piston pump oil well |
| CN2809203Y (en) * | 2005-07-06 | 2006-08-23 | 杨朝杰 | Intelligent multifunctional plugging device |
| CN1928321A (en) * | 2005-09-05 | 2007-03-14 | 大庆油田有限责任公司 | Method for down-hole laminated sampling and measuring |
| RU2352770C2 (en) * | 2007-05-08 | 2009-04-20 | Ооо Волго-Уральский Центр Научно-Технических Услуг "Нейтрон" | Method and device for stimulating oil and gas wells operation (versions) |
| CN201687465U (en) * | 2010-04-07 | 2010-12-29 | 大庆油田有限责任公司 | Stopper type pressure gauge capable of measuring flow pressure at rear of eccentric filling wellhead |
| US20120273221A1 (en) * | 2011-04-27 | 2012-11-01 | Robayo Byron Raul Lopez | Smart Hydraulic Pumping Device for Recovery of Oil and Obtaining of Information from the Bottom of the Reservoir |
| CN202500553U (en) * | 2012-01-29 | 2012-10-24 | 孙忠国 | Device for monitoring pressure and temperature in layered water injection |
| CN103510906A (en) * | 2013-10-21 | 2014-01-15 | 东北石油大学 | Adjustable variable-differential-pressure constant-flow blanking plug |
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| CN105888650B (en) * | 2016-04-15 | 2019-10-29 | 中国石油天然气股份有限公司 | A kind of gas well memory-type integration regulating multi-zone production rate measuring cell |
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| CN107120079B (en) * | 2017-06-14 | 2020-09-18 | 中国石油天然气股份有限公司 | Throwing and fishing type back flushing valve |
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