CN104912510B - Injection well overflow re-injection spraying-preventing system - Google Patents
Injection well overflow re-injection spraying-preventing system Download PDFInfo
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- CN104912510B CN104912510B CN201510204809.0A CN201510204809A CN104912510B CN 104912510 B CN104912510 B CN 104912510B CN 201510204809 A CN201510204809 A CN 201510204809A CN 104912510 B CN104912510 B CN 104912510B
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Abstract
The present invention relates to a kind of injection well overflow re-injection spraying-preventing system.Mainly solve that organic efficiency during the liquids recovery of existing oil field shaft mouth blowout prevention box overflow is low, reclaim halfway problem.It is characterized in that：Described working pipe（14）Upper end passes through box cupling（13）With connecting tube（11）It is connected, described connecting tube（11）Inside is equipped with primary seal body（12）, primary seal body（12）The connecting tube of upper end（11）On be connected with one-level sleeve pipe（7）；The one-level sleeve pipe（7）Inside is equipped with secondary seal body（8）, secondary seal body（8）The one-level sleeve pipe of upper end（7）On be connected with two grades of sleeve pipes（3）；Two grades of sleeve pipes（3）Inside is equipped with three-level seal（5）, three-level seal（5）Two grades of sleeve pipes on top（3）On be connected with packing pressure cap（1）.It is small that this pair of pressure difference overflows back dispensing device floor space, reclaims thorough, pollution-free, organic efficiency is high.
Description
Technical field
The present invention relates to oilfield, specifically a kind of injection well overflow re-injection spraying-preventing system.
Background technology
Oil field is in well logging, well testing, and well head can produce overflow, and the liquid of current overflow is reclaimed using open, will be anti-
The fluid storage that spray box overflow goes out is transported to water treatment plant into container, then with oil truck, is handled as sewage, causes
Waste.This open retracting device volume is big, organic efficiency is low, the activity duration is long, and thoroughly can not solve at sealing,
And retain leaked liquid in working pipe after head valve closing.The liquid that liquid, the operation cable leaked wherein at sealing is taken out of
Liquid is retained with overbottom pressure in more than 10 meters of working pipe after body and head valve are closed, can not all reclaim, only drop to operation
Place, pollutes personnel and environment.
The content of the invention
Organic efficiency is low during liquids recovery in order to overcome existing oil field shaft mouth blowout prevention box overflow, reclaim it is halfway not
Foot, the present invention provides a kind of injection well overflow re-injection spraying-preventing system, and the injection well overflow re-injection spraying-preventing system floor space is small, returns
Receive thorough, pollution-free, organic efficiency is high.
The technical scheme is that：A kind of injection well overflow re-injection spraying-preventing system, including operation cable, it is connected to well head
On working pipe, described working pipe upper end is connected by box cupling with connecting tube, and choke tube, and working pipe are provided with inside working pipe
There is gap between choke tube, the choke tube upper end is connected with connecting tube internal whorl；One is equipped with inside described connecting tube
One-level sleeve pipe is connected with level seal, the connecting tube of primary seal body upper end；The one-level inside pipe casing is equipped with secondary seal
Two grades of sleeve pipes are connected with body, the one-level sleeve pipe of secondary seal body upper end；Two grades of inside pipe casings are equipped with three-level seal, three
Packing pressure cap is connected with two grades of sleeve pipes on level seal top；
One-level negative pressure cavity, and one corresponding to one-level negative pressure cavity are formed between described primary seal body and secondary seal body
One-level overfall is provided with level sleeve side walls；Two grades of negative pressure cavities are formed between described secondary seal body and three-level seal, and
Two grades of overfalls are provided with two grades of sleeve side walls corresponding to two grades of negative pressure cavities；On described one-level overfall and two grades of overfalls
By pipeline and flow controller and retain liquids recovery valve and be connected, flow controller outlet is connected with grade one filter, one
Level filter outlet is connected with high-pressure vacuum pump, high pressure vacuum pump discharge connection filtering surge tank, the outlet company of filtering surge tank
High pressure re-injection pump is connect, high pressure re-injection pump discharge passes sequentially through valve A, valve B and is connected with well logging valve；The described liquid that retains is returned
The outlet for receiving valve is connected with valve A；
Described operation cable enters after sequentially passing through three-level seal, secondary seal body, primary seal body and choke tube
Well head.
The present invention has the advantages that：Due to taking such scheme, working pipe upper end is connected with connecting tube, connecting tube
Upper end be sequentially connected in one-level sleeve pipe, two grades of sleeve pipes, connecting tube, one-level sleeve pipe and two grades of sleeve pipes be equipped with respectively one-level, two grades, two
Level seal, sequentially forms one-level negative pressure cavity, two grades of negative pressure cavities, and make one, two by the effect of high-pressure vacuum pump from the bottom to top
Negative pressure is formed in level negative pressure cavity, the liquid in it is flowed to filtering surge tank by pipeline, then well is flowed to by high pressure re-injection blowback
Under.This pair of pressure difference overflows back dispensing device at the scene in operation, and due to the swabbing action of high-pressure vacuum pump, it is closed to make overflow line
Negative pressure is run, and reclaims thorough, is realized high-altitude no liquid whereabouts, construction site no liquid, is realized no pollution operation, overflow is reclaimed
It is with liquid re-injection synchronous to carry out, shorten the activity duration, it is to avoid waste；The device volume is small, and floor space is small, not enough existing
Recovery 1/10th, and according to the number of spillway discharge, re-injection amount can be automatically controlled, efficiency high.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention.
1- packing pressure caps in figure, 2- operation cables, bis- grades of sleeve pipes of 3-, bis- grades of overfalls of 4-, 5- three-level seals, bis- grades of 6-
Negative pressure cavity, 7- one-level sleeve pipes, 8- secondary seal bodies, 9- one-level negative pressure cavities, 10- one-level overfalls, 11- connecting tubes, 12- one-levels are close
Feng Ti, 13- box cupling, 14- working pipes, 15- choke tubes, 16- check valves A, 17- flow controller, 18- grade one filters, 19- are mono-
To valve B, 20- high-pressure vacuum pumps, 21- relief valves, 22- retains liquids recovery valve, 23- filtering surge tanks, 24- high pressure re-injection pumps,
25- valves A, 26- valve B, 27- well logging valve, 28- intake valves, 29- pressure gauges.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of injection well overflow re-injection spraying-preventing system, including operation cable 2, the operation that is connected on well head
Pipe 14, the described upper end of working pipe 14 is connected by box cupling 13 with connecting tube 11, and the inside of working pipe 14 is provided with choke tube 15, and makees
There is gap between industry pipe 14 and choke tube 15, the upper end of choke tube 15 is connected with the internal whorl of connecting tube 11.Described connection
Cavity inside pipe 11 is built-in with primary seal body 12, the connecting tube 11 of the upper end of primary seal body 12 and is connected with one-level sleeve pipe 7,
I.e. primary seal body 12 is located at the lower end of one-level sleeve pipe 7, and one-level sleeve pipe 7 presses primary seal body 12 after being threadedly coupled with connecting tube 11
Tightly.It is equipped with inside the one-level sleeve pipe 7 on secondary seal body 8, the one-level sleeve pipe 7 of the upper end of secondary seal body 8 and is connected with two grades of sets
Pipe 3；It is equipped with inside two grades of sleeve pipes 3 on three-level seal 5, two grades of sleeve pipes 3 on the top of three-level seal 5 and is connected with packing pressure
Cap 1, packing pressure cap 1 compresses three-level seal 5 after tightening.Described operation cable 2 sequentially pass through three-level seal 5, two grades it is close
Seal and enter well head after body 8, primary seal body 12 and choke tube 15.
The cavity formed between described primary seal body 12 and secondary seal body 8 is referred to as one-level negative pressure cavity 9, and one-level is negative
One-level overfall 10 is provided with the side wall of one-level sleeve pipe 7 corresponding to pressure chamber 9；Described secondary seal body 8 and three-level seal 5 it
Between the cavity that is formed be referred to as two grades of negative pressure cavities 6, and be provided with two grades of overflows on the side wall of two grades of sleeve pipes 3 corresponding to two grades of negative pressure cavities 6
Mouth 4.By pipeline and flow controller 17 and liquids recovery valve 22 is retained on the one-level overfall 10 and two grades of overfalls 4
It is connected, i.e., one-level overfall 10 and two grades of overfalls 4 are connected by pipeline passes through pipe respectively on a three-way connection, three-way connection
Line and flow controller 17 and retain liquids recovery valve 22 and be connected, wherein two grades of outlet lines of overfall 4 are provided with check valve
A16.The outlet of flow controller 17 is connected with grade one filter 18, and the liquid in pipeline can be filtered；One-level mistake
The outlet of filter 18 is connected with high-pressure vacuum pump 20 by check valve B19, and surge tank 23 is filtered in the outlet of high-pressure vacuum pump 20 connection, and
And relief valve 21 is connected with the pipeline of high-pressure vacuum pump 20, when high-pressure vacuum pump 20 is out of order, the liquid in pipeline can pass through
Relief valve 21 is directly entered filtering surge tank 23, plays the protective effect to high-pressure vacuum pump 20.In the filtering surge tank 23
Portion is provided with steam-water separator 232, and the top of filtering surge tank 23 is provided with air bleeding valve 231, safety valve 233 is connected with sideways.The mistake
The outlet connection high pressure re-injection pump 24 of surge tank 23 is filtered, the outlet of high pressure re-injection pump 24 passes sequentially through valve A26, valve B25 and survey
Well valve 27 is connected；The described other end for retaining liquids recovery valve 22 is connected with valve A26.The described bottom side of working pipe 14
The pipeline at intake valve 28, and intake valve 28 is also associated with wall and is provided with pressure gauge.
In well logging, well testing operation, logging instrument cable is allowed to transfer to the underground of several kms each depth test ginseng
The operations such as number, when opening well logging valve, the liquid of underground can be flowed up full of operation under 10-30 Mpa pressure effect
Pipe, and overflowed upwards along the gap between choke tube 15, seal at different levels and operation cable.Now, high-pressure vacuum pump is opened
20, under the swabbing action of high-pressure vacuum pump 20, the liquid of overflow is entered after one-level negative pressure cavity 9 largely can be by one-level overflow
Mouth 10 flows out, and a small amount of liquid follows the liquid of operation cable 2 to enter two grades of negative pressure cavities 6, is flowed out by two grades of overfalls 4.By I and II
The liquid of overfall outflow enters grade one filter 18 by flow controller 17 and filtered, and the liquid after filtering is through too high
Pressure vavuum pump enter filtering surge tank 23, then by high pressure re-injection pump 24 by liquid by valve A25, valve B26, well logging valve
27 are recycled into well.In the process, due to the effect of high-pressure vacuum pump 20, negative pressure is produced in I and II negative pressure cavity, makes it
Interior liquid can quickly flow away, it is to avoid take top to by operation cable 2 and pollute environment.Meanwhile, the negative pressure in two grades of negative pressure cavities 6
Under effect, gap of the air between three-level seal 5 and operation cable 2 enters two grades of negative pressure cavities, has dried up operation cable 2
Moisture content has been gone up, has further avoided operation cable 2 from driving liquid outside well.
After the end of job, well logging valve 27, valve A25 are closed, unlatching retains liquids recovery valve 22 and intake valve 28,
It is the liquid in negative pressure, upper departmental level negative pressure cavity 9 and two grades of negative pressure cavities 6 under the swabbing action of high-pressure vacuum pump 20, in working pipe 14
Body can be entered in working pipe 14 under negative pressure and Action of Gravity Field, and the liquid in working pipe 14 passes sequentially through valve B26, retains liquid
Body recovery valve 22, flow controller 17, grade one filter 18 enter high-pressure vacuum pump 20, enter back into filtering surge tank 23 and carry out
Reclaim, when lower subjob, be re-introduced into operation well.
Claims (1)
1. a kind of injection well overflow re-injection spraying-preventing system, including operation cable（2）, the working pipe that is connected on well head（14）, its
It is characterised by：Described working pipe（14）Upper end passes through box cupling（13）With connecting tube（11）It is connected, working pipe（14）Inside is provided with
Choke tube（15）, and working pipe（14）With choke tube（15）Between have gap, the choke tube（15）Upper end and connecting tube（11）
Internal whorl is connected；Described connecting tube（11）Inside is equipped with primary seal body（12）, primary seal body（12）The connection of upper end
Pipe（11）On be connected with one-level sleeve pipe（7）；The one-level sleeve pipe（7）Inside is equipped with secondary seal body（8）, secondary seal body（8）
The one-level sleeve pipe of upper end（7）On be connected with two grades of sleeve pipes（3）；Two grades of sleeve pipes（3）Inside is equipped with three-level seal（5）, three
Level seal（5）Two grades of sleeve pipes on top（3）On be connected with packing pressure cap（1）；
Described primary seal body（12）With secondary seal body（8）Between formed one-level negative pressure cavity（9）, and one-level negative pressure cavity（9）
Corresponding one-level sleeve pipe（7）One-level overfall is provided with the wall of side（10）；Described secondary seal body（8）With three-level seal
（5）Between formed two grades of negative pressure cavities（6）, and two grades of negative pressure cavities（6）Two grades of corresponding sleeve pipes（3）Two grades of overflows are provided with the wall of side
Mouthful（4）；Described one-level overfall（10）And two grades of overfalls（4）On pass through pipeline and flow controller（17）And retain liquid
Body recovery valve（22）It is connected, flow controller（17）Outlet is connected with grade one filter（18）, grade one filter（18）Outlet connects
It is connected to high-pressure vacuum pump（20）, high-pressure vacuum pump（20）Outlet connection filtering surge tank（23）, filter surge tank（23）Outlet
Connect high pressure re-injection pump（24）, high pressure re-injection pump（24）Outlet passes sequentially through valve A（26）, valve B（25）With well logging valve
（27）It is connected；Described retains liquids recovery valve（22）Outlet and valve A（26）It is connected；
Described operation cable（2）Sequentially pass through three-level seal（5）, secondary seal body（8）, primary seal body（12）And choked flow
Pipe（15）Enter well head afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510204809.0A CN104912510B (en) | 2015-04-27 | 2015-04-27 | Injection well overflow re-injection spraying-preventing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510204809.0A CN104912510B (en) | 2015-04-27 | 2015-04-27 | Injection well overflow re-injection spraying-preventing system |
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| CN104912510A CN104912510A (en) | 2015-09-16 |
| CN104912510B true CN104912510B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510204809.0A Active CN104912510B (en) | 2015-04-27 | 2015-04-27 | Injection well overflow re-injection spraying-preventing system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804682A (en) * | 2016-04-27 | 2016-07-27 | 北京恩瑞达科技股份有限公司 | Flow guiding and returning device used during tripping in of sucker rod |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4697639A (en) * | 1986-04-14 | 1987-10-06 | Fire-Fox International, Inc. | Blow-out protector and fire control system for petroleum exploration |
| US5273108A (en) * | 1992-10-21 | 1993-12-28 | Piper Oilfield Products, Inc. | Closure apparatus for blow out prevention |
| CN101008310A (en) * | 2006-01-23 | 2007-08-01 | 安占中 | Portable hydraulic blowout preventer for water injection profile logging |
| EP1918509A3 (en) * | 2003-05-31 | 2008-05-14 | Cameron Systems (Ireland) Limited | Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| CN201133230Y (en) * | 2007-12-16 | 2008-10-15 | 东营市创世石油测试新技术开发有限责任公司 | Open type cable hydraulic blowout preventer |
| CN201280908Y (en) * | 2008-11-07 | 2009-07-29 | 中国石化股份胜利油田分公司胜利采油厂 | Borehole log wellhead double-sealing blowout preventer |
| CN202348206U (en) * | 2011-09-25 | 2012-07-25 | 李昱 | Leakage-proof and blowout-proof device for wellhead packing box |
| CN202417383U (en) * | 2011-12-19 | 2012-09-05 | 西安思坦仪器股份有限公司 | Wellhead blowout prevention sealing device |
| CN203271661U (en) * | 2013-04-25 | 2013-11-06 | 西安思坦仪器股份有限公司 | Blowout preventing box for wellhead |
| CN103742097A (en) * | 2014-01-03 | 2014-04-23 | 中国石油化工股份有限公司 | Hydraulic switch control device for wellhead blowout preventer |
-
2015
- 2015-04-27 CN CN201510204809.0A patent/CN104912510B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4697639A (en) * | 1986-04-14 | 1987-10-06 | Fire-Fox International, Inc. | Blow-out protector and fire control system for petroleum exploration |
| US5273108A (en) * | 1992-10-21 | 1993-12-28 | Piper Oilfield Products, Inc. | Closure apparatus for blow out prevention |
| EP1918509A3 (en) * | 2003-05-31 | 2008-05-14 | Cameron Systems (Ireland) Limited | Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| CN101008310A (en) * | 2006-01-23 | 2007-08-01 | 安占中 | Portable hydraulic blowout preventer for water injection profile logging |
| CN201133230Y (en) * | 2007-12-16 | 2008-10-15 | 东营市创世石油测试新技术开发有限责任公司 | Open type cable hydraulic blowout preventer |
| CN201280908Y (en) * | 2008-11-07 | 2009-07-29 | 中国石化股份胜利油田分公司胜利采油厂 | Borehole log wellhead double-sealing blowout preventer |
| CN202348206U (en) * | 2011-09-25 | 2012-07-25 | 李昱 | Leakage-proof and blowout-proof device for wellhead packing box |
| CN202417383U (en) * | 2011-12-19 | 2012-09-05 | 西安思坦仪器股份有限公司 | Wellhead blowout prevention sealing device |
| CN203271661U (en) * | 2013-04-25 | 2013-11-06 | 西安思坦仪器股份有限公司 | Blowout preventing box for wellhead |
| CN103742097A (en) * | 2014-01-03 | 2014-04-23 | 中国石油化工股份有限公司 | Hydraulic switch control device for wellhead blowout preventer |
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| CN104912510A (en) | 2015-09-16 |
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