CN205638337U - Full latus rectum of tubular column blocks up device - Google Patents
Full latus rectum of tubular column blocks up device Download PDFInfo
- Publication number
- CN205638337U CN205638337U CN201620421988.3U CN201620421988U CN205638337U CN 205638337 U CN205638337 U CN 205638337U CN 201620421988 U CN201620421988 U CN 201620421988U CN 205638337 U CN205638337 U CN 205638337U
- Authority
- CN
- China
- Prior art keywords
- tubular column
- chamber
- ladder
- housing
- well
- 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.)
- Expired - Fee Related
Links
- 210000000664 rectum Anatomy 0.000 title abstract description 6
- 239000004568 cement Substances 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 7
- 235000014121 butter Nutrition 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010008 shearing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
- Earth Drilling (AREA)
Abstract
The utility model discloses a full latus rectum of tubular column blocks up device has certain oil from the ability of overflowing, the operation in -process of well, and the interior latus rectum of tubular column in the time of can temporarily blockking up borehole operation also can be used for the pressure testing operation of the borehole operation tubular column of the serious well of stratum leakage. This jam device includes the casing, and the inner chamber of casing is that the ladder stops up the chamber, and cement stops up the body and matches for the ladder of the cylindrical cavity body of constant diameter not, its appearance structure and casing stops up the chamber, through the shearing pin nail fixing in the casing. The inner chamber upper portion of this device casing is the ball seat, can conveniently be used for the pressure testing operation of routine work tubular column. This device can block up the tubular column, can release the overall internal diameter passageway of tubular column again at any time, has compromise the job execution and the different technology demand such as production, test of recovering the oil.
Description
Technical field
This utility model belongs to a kind of downhole tool that petroleum industry uses, particularly a kind of tubing string full-bore blocking dress
Put, certain in the operation process overflowing the oil of ability, well having, it is possible to during temporary occlusion underground work, tubing string is interior logical
Footpath, can be used for the pressure testing operation of the underground work pipe column of the serious well of formation leakage.
Background technology
When head of liquid in the strata pressure of oil, well is higher than well, well head there will be overflow phenomena, particularly well,
Stopping noting, generally there is open flow dip time length in period to be repaired, overflow is difficult to put the phenomenons such as clean.Carry potential overflow well workover is constructed, and not only can
Cause a large amount of hydrops in well site, pollute environment, also can be wet and slippery because of well head, operating condition is deteriorated and induces security incident.Down-hole string
The blockage body of conventional blocking device is owing to being metal body, and bottom must be provided with holding device, in case taking in after pressurization is hit down
Wherein.After tubing string is blocked up by this kind of blockage body temporarily, blockage body can be trapped in tubing string inner chamber, not only hinders under oil water well test instrument
Well, is also easy to deposit foreign material and fouling, blocking water injection well or the production passage of oil well, causes oil, well to stop production, stops note.In view of
This, it is necessary to develop and disclosure satisfy that workover treatment and the blocking device producing different demands that recovers the oil.
Summary of the invention
The purpose of this utility model is to provide a kind of tubing string full-bore blocking device, when to having certain ability of certainly overflowing
When oil, well workover treatment, running string can be implemented temporary occlusion.When producing when recovering the oil, the interior latus rectum of tubing string can be discharged, full
Foot oil, well produce and the demand of test.
The purpose of this utility model is achieved in that a kind of tubing string full-bore blocking device includes housing, housing interior
Chamber is that ladder blocks chamber, and cement blockage body is the ladder blocking chamber of the most isometrical cylindrical hollow body, its contour structures and housing
Match, be fixed in housing by shear pin.
Remarkable result of the present utility model is: cement blockage body of the present utility model uses cement production systD, it is also possible to adopt
Manufacturing with slow-release material, the bottom of blockage body is without receiving device.The cement blockage body hit down will not hang after sinking to shaft bottom voluntarily
Floating, can directly stay in shaft bottom.When needs process, cement blockage body also be able to be degraded by acid filling in the de-plugging operation of down-hole or
Under sand washing the pressure of the drill effect broken after be washed out outside well, the body construction of hollow is broken, do not suspend, because of without to oil-water well
Operation and production adversely affect.The inner chamber top of housing is ball seat, it is convenient to the pressure testing for routine work tubing string is made
Industry.Compared with existing tubing string blocking mode, its major advantage is as follows:
1, this instrument can block tubing string, can discharge again the bore channels that tubing string is whole at any time, taken into account job execution and
The different process requirements such as oil recovery production, test.
2, the blockage body that cement blockage body or slow-release material are manufactured, intensity is high, do not suspend, disposable, harmless to oil-water well.
3, after carrying out pipe string pressure test with this instrument, it is not necessary to anti-flushing well, it is possible to decrease construction risk, protection reservoir, operation is improved
Timeliness.
4, to having from the high pressure low permeability oil of the ability of overflowing, well empty well tube construction, it is possible to limit blood pressure lowering, limit running against pressure, nothing
Well need to be extruded, save production cost.
5, this device can be advantageously used in routine work pipe string pressure test, strong adaptability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Describe this utility model, and unrestricted protection domain of the present utility model below in conjunction with the accompanying drawings in detail.All uses
The improvement that mentality of designing of the present utility model draws belongs to protection category of the present utility model.See Fig. 1, a kind of tubing string all-pass
Footpath blocking device includes that housing 3, the inner chamber of housing 3 are that ladder blocks chamber, and cement blockage body 6 is the most isometrical cylindrical, hollow basis
Body, its contour structures block chamber with the ladder of housing 3 and match, and are fixed in housing 3 by shear pin 5.Cement blockage body 6
And the sealing means between the ladder blocking chamber of housing 3 has two kinds:
Embodiment one
It is provided with sealing ring 4 between the ladder blocking chamber of cement blockage body 6 and housing 3.
Embodiment two
The outside of cement blockage body 6 is provided with butter layer, it is possible to the ladder blocking chamber of closure cement blockage body 6 and housing 3 it
Between gap, it is achieved sealing between the two.
The ladder blocking top, chamber of this device middle shell 3 is provided with ball seat 2, can facilitate the pressure testing operation of down-hole string.Housing 3
Top by screw thread is connected with top connection 1, bottom cylindrical is provided with external screw thread 7.Make this device by top connection 1 and external screw thread 7
It is connected to the bottom of down-hole string.
Cement blockage body 6 is the most isometrical cylinder, hollow structure, it is simple to sink to break process behind shaft bottom.Cement blockage body 6
After being loaded on the ladder blocking chamber of housing 3, limited by the step in ladder blocking chamber, can only unidirectional down-moving, it is impossible to move up, it is ensured that
Under borehole pressure effect, it is impossible to the ladder blocking chamber of abjection housing 3.
Cement blockage body 6 relies on sealing ring 4 or the butter layer realization sealing smeared, and along with in well, pressure reduction increases, cement blocks up
Cock body 6 pressurized moves up, and the ladder of the ladder end face on its top and housing 3 blocks the step in chamber and presses tighter and tighter, reaches well pressure
Help envelope effect.
This device is connected to the bottom of tubing string, during going into the well, owing to cement blockage body 6 blocks chamber at the ladder of housing 3
In, block the interior latus rectum of tubing string, prevented well liquid from overflowing from oil pipe passage, reach to block up temporarily purpose.The oil of oil-water well, collar-shaped are empty
Between by self-sealing blowout preventer dynamic seal (packing), it is achieved the closed operation of lower tubular column overall process.Well liquid then controls to enter by well control manifold
Flow container reclaims.Tubing string, down to after design attitude, adds hydraulic pressure from tubing string inner chamber, cuts off shear pin 5, thus by cement blockage body 6
Hit down in well, concede the interior latus rectum that tubing string is whole, implement the techniques such as oily, well produces normally, water filling, test.Cement blocks
Body 6 can directly stay well, or broken under sand washing the pressure of the drill effect after be washed out outside well.
Claims (5)
1. a tubing string full-bore blocking device, including housing, the inner chamber of housing is that ladder blocks chamber, it is characterized in that, cement blocks up
Cock body is that the most isometrical cylindrical hollow body, the ladder of its contour structures and housing block chamber and match, solid by shear pin
It is scheduled in housing.
2. a kind of tubing string full-bore blocking device as claimed in claim 1, is characterized in that, described cement blockage body and housing
Ladder blocking is provided with sealing ring between chamber.
3. a kind of tubing string full-bore blocking device as claimed in claim 1, is characterized in that, the outside of described cement blockage body sets
There is butter layer, the gap between the ladder blocking chamber of closure cement blockage body and housing.
4. a kind of tubing string full-bore blocking device as claimed in claim 1, is characterized in that, on the ladder blocking chamber of described housing
Portion is provided with ball seat.
5. a kind of tubing string full-bore blocking device as described in claim 1 or 4, is characterized in that, the top of described housing is passed through
Screw thread is connected with top connection, bottom cylindrical is provided with external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620421988.3U CN205638337U (en) | 2016-05-11 | 2016-05-11 | Full latus rectum of tubular column blocks up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620421988.3U CN205638337U (en) | 2016-05-11 | 2016-05-11 | Full latus rectum of tubular column blocks up device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205638337U true CN205638337U (en) | 2016-10-12 |
Family
ID=57059762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620421988.3U Expired - Fee Related CN205638337U (en) | 2016-05-11 | 2016-05-11 | Full latus rectum of tubular column blocks up device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205638337U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758687A (en) * | 2020-05-19 | 2021-12-07 | 中国石油天然气股份有限公司 | Pump pipe pressure testing device and method of screw pump |
| CN115095287A (en) * | 2022-06-30 | 2022-09-23 | 大庆市卓成石油科技有限公司 | Construction process for plugging fractured well of sand casing |
-
2016
- 2016-05-11 CN CN201620421988.3U patent/CN205638337U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758687A (en) * | 2020-05-19 | 2021-12-07 | 中国石油天然气股份有限公司 | Pump pipe pressure testing device and method of screw pump |
| CN113758687B (en) * | 2020-05-19 | 2024-10-29 | 中国石油天然气股份有限公司 | Pump pipe pressure test device and method for screw pump |
| CN115095287A (en) * | 2022-06-30 | 2022-09-23 | 大庆市卓成石油科技有限公司 | Construction process for plugging fractured well of sand casing |
| CN115095287B (en) * | 2022-06-30 | 2024-04-09 | 大庆市卓成石油科技有限公司 | Plugging construction process for broken well of sand-spitting sleeve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101539007B (en) | Abrasive jetting device and method for abrasive jetting flow and jetting perforation and multiple fracturing | |
| CN201460803U (en) | Self-expanding packer when meeting oil and water | |
| CN101942986A (en) | Abrasive jet injection multiple fracturing device | |
| CN107023259B (en) | A kind of well system based on double-wall drill pipe | |
| CN205638337U (en) | Full latus rectum of tubular column blocks up device | |
| CN103061707B (en) | Underground circulating switch valve | |
| CN211819260U (en) | Sand washing process pipe column for sand-buried production oil layer of oil-water well of thickened oil block | |
| CN103806882B (en) | Liquid method and device is adopted in a kind of gaslift | |
| CN203685139U (en) | Integrated pipe column for perforation, fracture and oil extraction for directional well on the sea | |
| CN208830969U (en) | Oil extraction and water injection string | |
| RU2405914C1 (en) | Method and device for well flushing | |
| CN204941345U (en) | A kind of radial well transfer with packing function | |
| CN105804686B (en) | A kind of method for production of tubing string full-bore blocking device and its blockage body | |
| CN204419106U (en) | Curtain-grouting boring big envelope | |
| CN208220752U (en) | Spherically seated fills the water sliding sleeve | |
| CN109025897A (en) | A foaming type volume plugging device in a well | |
| RU2722750C1 (en) | Downhole filter with soluble element | |
| CN204663484U (en) | A kind of submersible electric pump producing well automatic diverter valve | |
| CN203531867U (en) | Primary sand prevention letting-in tool and secondary resanding extruding and filling tool of primary sand prevention letting-in tool | |
| CN203347771U (en) | Fracture sliding sleeve capable of being opened and closed repeatedly | |
| CN203285375U (en) | Blocking gauge cutter | |
| RU96167U1 (en) | WELL WASHING DEVICE | |
| RU64271U1 (en) | DEEPRESSION CLEANING FOR WELL BOTTOMS | |
| CN205714092U (en) | A kind of for small casing well cementation, the non-return device of closure | |
| CN220015145U (en) | Hydraulic fracturing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20180511 |