CN108798564B - Continuous sand flushing device for underground work construction process - Google Patents
Continuous sand flushing device for underground work construction process Download PDFInfo
- Publication number
- CN108798564B CN108798564B CN201810574261.2A CN201810574261A CN108798564B CN 108798564 B CN108798564 B CN 108798564B CN 201810574261 A CN201810574261 A CN 201810574261A CN 108798564 B CN108798564 B CN 108798564B
- Authority
- CN
- China
- Prior art keywords
- sand
- sand washing
- washing machine
- seal
- liquid inlet
- 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
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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Cleaning In General (AREA)
Abstract
本发明涉及的是用于井下作业冲砂施工工序的连续冲砂装置，它包括冲砂器、密封体，冲砂器厚壁段有侧进液口；密封体由上密封体和下密封体固定在一起形成，下密封有三通进液口，下密封体内设置橡胶密封块，当三通进液口与冲砂器侧进液口相对应时，密封块将厚壁段抱紧，三通进液口通过通孔与侧进液口相通；冲砂器内部与侧进液口相对应处设置进液室，分流体下端口与进液室上端口相接，分流体与冲砂器之间有环形腔，进液室与冲砂器之间有垂向孔，环形腔通过垂向孔与冲砂器内腔相通，分流体与环形腔相对应的部位设置旁通；滑套为具有顶的空心筒。本发明实现了冲砂工序中接单根时不停循环液，冲砂液在井内始终保持循环状态，杜绝了悬浮砂回落卡钻现象。
The invention relates to a continuous sand flushing device used in the sand flushing construction process of downhole operations, which comprises a sand flusher and a sealing body, and the thick-walled section of the sand flushing device is provided with a side liquid inlet; Fixed together to form, the lower seal has a tee liquid inlet, and a rubber sealing block is set in the lower seal body. When the tee liquid inlet corresponds to the liquid inlet on the side of the sand flusher, the sealing block holds the thick-walled section tightly, and the tee The liquid inlet is communicated with the side liquid inlet through the through hole; the liquid inlet chamber is set inside the sand flusher corresponding to the side liquid inlet, the lower port of the split fluid is connected with the upper port of the liquid inlet chamber, and the split fluid is connected to the sand flusher. There is an annular cavity between them, a vertical hole is arranged between the liquid inlet chamber and the sand flusher, the annular cavity is communicated with the inner cavity of the sand flusher through the vertical hole, and a bypass is set at the part corresponding to the divided fluid and the annular cavity; top hollow cylinder. The invention realizes that the circulating fluid is kept circulating when a single root is connected in the sand flushing process, and the sand flushing fluid always maintains a circulating state in the well, thereby preventing the phenomenon that the suspended sand falls back and gets stuck.
Description
Technical field
The present invention relates to oilfield downhole operation devices, and in particular to the continuous sand flushing for underground work construction process
Device.
Background technique
Construction process is one of the important procedure in underground work, and whether sand washing has thoroughly directly affected applying after well
Working medium amount and pump detection period.According to investigation, it is all made of in oil-water well sand wash work progress and stops what sand cleaning fluid circulation made up a joint
Mode, such sand washing mode, which exists, stops sand cleaning fluid circulation length when making up a joint, sandinteeter sedimentation easily causes lock of tool drilling；It makes up a joint
When sand cleaning fluid return spit overflow ground pollute；Sandinteeter falling causes to repeat the problems such as sand washing extends construction period.More
Crucial problem is, since such sand washing mode is too long because stopping sand cleaning fluid circulation time when making up a joint, sand to be easily caused to return
Bit freezing is fallen, prevent extending the construction time from carrying completion other process secretly in the construction of this process.
Summary of the invention
It is this to be used for underground the object of the present invention is to provide the continuous sand flushing device for underground work construction process
The continuous sand flushing device of operation construction process is all made of stopping sand cleaning fluid for solving in oil-water well sand wash work progress
Circulation makes up a joint, and sand cleaning fluid, which returns to spit, when making up a joint overflows the problem of ground pollutes.
The technical solution adopted by the present invention to solve the technical problems is: this to be used for underground work construction process
Continuous sand flushing device includes sand washing machine, seal, shunting body, sliding sleeve, and sand washing machine is tubular body, and sand washing machine is divided into from top to bottom
Connector, thin segment, heavy wall section, lower contact, heavy wall section are provided with side inlet；Seal is passed through by upper seal and lower seal
For flange along being fixed together to be formed, lower sealed set has threeway inlet, sealing block is arranged in lower seal, sealing block is rubber
Glue sealing block, sealing block have through-hole, and upper seal and lower seal all have centre bore, and seal covers outside sand washing machine, when
When seal threeway inlet is corresponding with sand washing machine side inlet, sealing block holds heavy wall section tightly, and threeway inlet passes through logical
Hole is communicated with side inlet；Intake chamber, shunting body lower port and intake chamber are set with side inlet corresponding section inside sand washing machine
Upper port connect, have annular chamber between shunting body and sand washing machine, vertical hole, annular chamber be provided between intake chamber and sand washing machine
It is communicated by vertical hole with sand washing machine inner cavity, shunting body position setting bypass corresponding with annular chamber；Sliding sleeve is with top
Hollow cylinder, sliding sleeve are fallen at intake chamber's upper port.
Shunting body external wall of upper portion has ring-shaped step in above scheme, and ring-shaped step has external screw thread, the ring of sand washing machine inner wall
Shape step has an interior stud, shunting body and sand washing machine by screw threads for fastening together with.
The invention has the following advantages:
1, the present invention realizes the purpose for the Shi Buting circulation fluid that makes up a joint in sand washing process, and sand cleaning fluid remains in well
Recurrent state carries always sandinteeter to ground, has prevented sandinteeter and has fallen bit freezing phenomenon after rise, can carry when realizing sand washing big
Diameter tools are gone into the well and more times processes one plow the hope of completion, while being shortened the sand washing time, being alleviated labor intensity, due to punching
Sand liquid recycles in closed situation, avoids sand cleaning fluid spilling ground and pollutes.
2, the present invention solves the brought problem of interruption sand washing mode in sand washing process, rushes our underground work
Sand process improves a height again.
3, the present invention effectively increases safety, the reliability of oil well operation.
Detailed description of the invention
Fig. 1 is outline drawing.
Fig. 2 is cross-sectional view of the present invention.
Fig. 3 is the cross-sectional view of seal of the present invention.
In figure: 1 top connection, 2 sand washing machine, 3 seal, 4 shunting body, 5 flange is along the vertical hole 8 of 6 sliding sleeve 7
14 annular chamber of through-hole 9 threeway inlet, 10 sealing block, 11 lower contact, 12 by-pass prot, 13 side inlet, 15 feed liquor
Room.
Specific embodiment
The present invention will be further described below with reference to the drawings:
As shown in Figure 1, Figure 2, this continuous sand flushing device for underground work construction process includes sand washing machine
2, seal 3, shunting body 4, sliding sleeve 6, sand washing machine 2 are tubular body, and the upper end of sand washing machine 2 is top connection 1, the lower end of sand washing machine 2
Side inlet 13 is arranged in lower part for lower contact 11, sand washing machine 2.
Refering to Fig. 3, seal 3 is made of upper seal and lower seal, and upper seal is the cylinder with lower flange edge
Shape box body, upper seal are the tubular box body with upper flange edge and lower flange edge, and upper seal and lower seal pass through
Flange is bolted together along 5, and lower sealed set has threeway inlet 9, during upper seal and lower seal all have
Heart hole, these centre bores are passed through for sand washing machine 2, realize 3 sets of seal outside sand washing machine 2, setting sealing in lower seal
Block 10, sealing block 10 are rubber sealing block, and sealing block 10 has a through-hole 8, sand washing machine 2 be divided into from top to bottom top connection 1, thin segment,
Heavy wall section, lower contact 11, heavy wall section are provided with side inlet 13, and there are a shunting body 4, intake chamber 15 in heavy wall section inner cavity, and 3 sets of seal
Outside sand washing machine 2, when seal threeway inlet 9 is corresponding with sand washing machine side inlet 13, sealing block 10 is by heavy wall section
Hold tightly, threeway inlet 9 is communicated with side inlet 13 by through-hole 8, sand cleaning fluid from the entrance of threeway inlet 9, by through-hole 8 into
Enter side inlet 13, into intake chamber 15；Intake chamber 15, shunting body 4 is arranged with 13 corresponding section of side inlet in 2 inside of sand washing machine
Lower port connects with the upper port of intake chamber 15, and shunting body 4 is communicated with intake chamber 15, has annular between shunting body 4 and sand washing machine 2
Chamber 14 is provided with vertical hole 7 between intake chamber 15 and sand washing machine 2, annular chamber 14 is communicated by vertical hole 7 with 2 inner cavity of sand washing machine,
By-pass prot 12 is arranged in the position corresponding with annular chamber 14 of shunting body 4；Sliding sleeve 6 is the hollow cylinder with top, and sliding sleeve 6 is a free
Body, under gravity, sliding sleeve 6 are fallen within naturally at 15 upper port of intake chamber.
4 external wall of upper portion of shunting body has ring-shaped step, and ring-shaped step has external screw thread, and the ring-shaped step of 2 inner wall of sand washing machine has
Interior stud, shunting body 4 and sand washing machine 2, will be annular after two ring-shaped steps are threaded togather by together with screw threads for fastening
Chamber 14 is isolated with 2 upper lumen of sand washing machine.
After shunting body 4 is connect with intake chamber 15, formation is communicated by the shunting body 4 on top with 2 upper lumen of sand washing machine, is led to
Cross the intake chamber 15 of lower part and core that 2 lower lumen of sand washing machine is isolated.
When the invention works:
One, preparation: pipe elevator is buckled in the position of sand washing machine thin segment, and lifting system passes through pipe elevator for sand washing
Device 2, oil pipe are promoted to well head, and sand washing machine 2 is located at high-altitude, and seal 3 is sitting on well head four-way together with sealing block 10；It again will
Lower contact 11 on ready multiple sand washing machines 2 is connected at every pre- sand clean out pipe box cupling respectively.First by sand washing when sand washing
Elbow lower part pin thread is connect with 2 top connection 1 of sand washing machine, and No. 1 liquid outlet of reversal valve on pump truck is curved by No. 1 rotary hose and sand washing
The connection of head top；The threeway inlet 9 on No. 2 liquid outlets of reversal valve and seal 3 on pump truck passes through No. 2 fire hose band connections；
After connecting the sand-flushing pipe column in the oil pipe and well that have had connected sand washing elbow, start sand washing operation.
Two, the realization of normal sand washing circulation canal: pump truck is first by the sand cleaning fluid in sand washing pond through No. 1 liquid outlet of reversal valve
(at No. 2 liquid outlets of reversal valve and closed state), No. 1 rotary hose, sand elbow enter inside sand washing machine 2, at this time high pressure sanding fluid
On the one hand it pushes sliding sleeve 6 to come downwards to the bottom of shunting body 4 along 4 inner wall of shunting body, sliding sleeve 6 is made to block the side feed liquor on sand washing machine 2
Mouth 13, another aspect sand cleaning fluid are entered by the by-pass prot 12 on 4 side wall of shunting body through the vertical hole 7 inside sand washing machine 2 preparatory
In the sand-flushing pipe column of tripping in, sand cleaning fluid is made to flow to shaft bottom inside sand-flushing pipe column, the sand in shaft bottom has been rushed and carried by sand cleaning fluid
Sand washing pond, which is flowed back to, through well head four-way by oil sets annular space completes a Zhou Xunhuan.
Three, realize sand washing circulation canal of sand clean out pipe when making up a joint: with going deep into for sand washing drilling depth, sand washing machine 2 is from high-altitude
It enters inside seal 3, sand washing machine 2 is realized sealing by rubber deformation by sealing block 10, and sealing block 10 will be on sand washing machine 2
13 peripheral sealing of side inlet, the switch on rotary reversing valve makes high pressure sanding fluid from No. 2 liquid outlets outflow (commutations of reversal valve
At No. 1 liquid outlet of valve and closed state) through the threeway inlet 9 on No. 2 rotary hoses, seal 3, the through-hole 8 on sealing block 10,
Side inlet 13 on sand washing machine 2 enters inside sand washing machine 2, pushes sliding sleeve 6 along shunting body 4 under the action of high pressure sanding fluid
While wall goes upward to 4 top of shunting body and closes inlet on current divider, sand cleaning fluid is by the by-pass prot 12 on 4 side wall of shunting body
Enter in sand-flushing pipe column through the vertical hole 7 inside sand washing machine 2, sand cleaning fluid is made to flow to shaft bottom inside sand-flushing pipe column, sand cleaning fluid will
The sand in shaft bottom, which has been rushed and carried, flows back to one Zhou Xunhuan of sand washing pond completion through well head four-way by oil sets annular space.At this time due to
Upper inlet is blocked, and when changing a sand clean out pipe, sand cleaning fluid be will not flow out, and realizes the mesh of continuous sand flushing when changing sand clean out pipe
, while water flow continues the direct circulation channel inside holding, avoids the sand when changing single oil pipe and falls the husky pipe laying column of appearance after rise
Accident.
When lifting system next sand washing machine, oil pipe be promoted to well head and with keep a grip on connection in well after, then will pump
The water discharging direction of vehicle, which changes, recycles normal sand washing operation.
Claims (2)
1. a kind of continuous sand flushing device for underground work construction process, it is characterised in that: this to be used for underground work
The continuous sand flushing device of construction process includes sand washing machine (2), seal (3), shunting body (4), sliding sleeve (6), sand washing machine (2)
For tubular body, sand washing machine (2) is divided into top connection (1), thin segment, heavy wall section, lower contact (11) from top to bottom, and heavy wall section is provided with
Side inlet (13)；Sand washing machine (2) is internal to be arranged intake chamber (15) with side inlet (13) corresponding section, shunting body (4) lower end
Mouthful connect with the upper port of intake chamber (15), have between shunting body (4) and sand washing machine (2) annular chamber (14), intake chamber (15) and
It is provided between sand washing machine (2) vertical hole (7), annular chamber (14) is communicated by vertical hole (7) with sand washing machine (2) inner cavity, is shunted
Body (4) position setting by-pass prot (12) corresponding with annular chamber (14)；Sliding sleeve (6) is the hollow cylinder with top, and sliding sleeve (6) is fallen
At intake chamber (15) upper port；Seal (3) is fixed together shape by flange along (5) by upper seal and lower seal
At lower seal is provided with threeway inlet (9), and sealing block (10) are arranged in lower seal, and sealing block (10) is rubber seal
Block, sealing block (10) have through-hole (8), and upper seal and lower seal all have centre bore, when seal threeway inlet (9) with
When the side inlet (13) of sand washing machine is corresponding, sealing block (10) holds heavy wall section tightly, and threeway inlet (9) passes through through-hole (8)
It is communicated with side inlet (13)；
When the invention works:
One, preparation: pipe elevator is buckled in the position of sand washing machine thin segment, and lifting system passes through pipe elevator for sand washing machine
(2), oil pipe is promoted to well head, and sand washing machine (2) is located at high-altitude, and seal (3) is sitting on well head four-way together with sealing block (10)；
Two, the realization of normal sand washing circulation canal: high pressure sanding fluid enters sand washing machine (2) inside, at this time one side of high pressure sanding fluid
Face pushes sliding sleeve (6) to come downwards to the bottom of shunting body (4) along shunting body (4) inner wall, blocks sliding sleeve (6) on sand washing machine (2)
Side inlet (13), another aspect high pressure sanding fluid are internal through sand washing machine (2) by the by-pass prot (12) on shunting body (4) side wall
Vertical hole (7) enter in the sand-flushing pipe column of preparatory tripping in, so that high pressure sanding fluid is flowed to shaft bottom inside sand-flushing pipe column, high pressure punching
The sand in shaft bottom has been rushed and carried by sand liquid flows back to one Zhou Xunhuan of sand washing pond completion through well head four-way by oil sets annular space；
Three, realize sand washing circulation canal of sand clean out pipe when making up a joint: with going deep into for sand washing drilling depth, sand washing machine (2) from high-altitude into
Enter internal to seal (3), sand washing machine (2) is realized sealing by rubber deformation by sealing block (10), and high pressure sanding fluid is from close
The threeway inlet (9) on body (3), the through-hole (8) on sealing block (10), the side inlet (13) on sand washing machine (2) is sealed to enter
Sand washing machine (2) is internal, pushes sliding sleeve (6) to go upward on shunting body (4) along shunting body (4) inner wall under the action of high pressure sanding fluid
Portion and while close inlet on current divider, high pressure sanding fluid is by the by-pass prot (12) on shunting body (4) side wall through sand washing machine
(2) internal vertical hole (7) enters in sand-flushing pipe column, and high pressure sanding fluid is made to flow to shaft bottom, high pressure sand washing inside sand-flushing pipe column
The sand in shaft bottom has been rushed and carried by liquid flows back to one Zhou Xunhuan of sand washing pond completion through well head four-way by oil sets annular space, at this time
Since upper inlet is blocked, when changing a sand clean out pipe, high pressure sanding fluid be will not flow out, and be realized continuous when changing sand clean out pipe
The purpose of sand washing.
2. the continuous sand flushing device according to claim 1 for underground work construction process, it is characterised in that: institute
Shunting body (4) external wall of upper portion stated has ring-shaped step, and ring-shaped step has external screw thread, and the ring-shaped step of sand washing machine (2) inner wall has
Interior stud, shunting body (4) and sand washing machine (2) pass through together with screw threads for fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810574261.2A CN108798564B (en) | 2018-06-06 | 2018-06-06 | Continuous sand flushing device for underground work construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810574261.2A CN108798564B (en) | 2018-06-06 | 2018-06-06 | Continuous sand flushing device for underground work construction process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108798564A CN108798564A (en) | 2018-11-13 |
| CN108798564B true CN108798564B (en) | 2019-04-05 |
Family
ID=64087463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810574261.2A Expired - Fee Related CN108798564B (en) | 2018-06-06 | 2018-06-06 | Continuous sand flushing device for underground work construction process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108798564B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4889199A (en) * | 1987-05-27 | 1989-12-26 | Lee Paul B | Downhole valve for use when drilling an oil or gas well |
| CN2321938Y (en) * | 1998-01-09 | 1999-06-02 | 沈阳新蓝天科技实业有限公司 | continuous sand washing device |
| CN2351547Y (en) * | 1998-07-24 | 1999-12-01 | 辽河石油勘探局钻采工艺研究院 | Borehole-circulation washovering sand technology pipe |
| CN102094586A (en) * | 2010-12-24 | 2011-06-15 | 中国石油天然气股份有限公司 | Horizontal well sand flushing surface device and using method thereof |
| CN206845123U (en) * | 2017-05-09 | 2018-01-05 | 长江大学 | Dipulse sand-flushing instrument |
| CN207453907U (en) * | 2017-09-26 | 2018-06-05 | 中国石油集团渤海钻探工程有限公司 | The closed continuous sand flushing control device of well head |
-
2018
- 2018-06-06 CN CN201810574261.2A patent/CN108798564B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4889199A (en) * | 1987-05-27 | 1989-12-26 | Lee Paul B | Downhole valve for use when drilling an oil or gas well |
| CN2321938Y (en) * | 1998-01-09 | 1999-06-02 | 沈阳新蓝天科技实业有限公司 | continuous sand washing device |
| CN2351547Y (en) * | 1998-07-24 | 1999-12-01 | 辽河石油勘探局钻采工艺研究院 | Borehole-circulation washovering sand technology pipe |
| CN102094586A (en) * | 2010-12-24 | 2011-06-15 | 中国石油天然气股份有限公司 | Horizontal well sand flushing surface device and using method thereof |
| CN206845123U (en) * | 2017-05-09 | 2018-01-05 | 长江大学 | Dipulse sand-flushing instrument |
| CN207453907U (en) * | 2017-09-26 | 2018-06-05 | 中国石油集团渤海钻探工程有限公司 | The closed continuous sand flushing control device of well head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108798564A (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4474243A (en) | Method and apparatus for running and cementing pipe | |
| CN206429215U (en) | A kind of horizontal well casing pipe intraclast cleans fishing tool | |
| US3593786A (en) | Jet wall cleaner | |
| CN206280027U (en) | Reacting cycle is forced to drag for sand instrument | |
| CN111305783B (en) | Underground junk salvaging device and salvaging method | |
| CN108798564B (en) | Continuous sand flushing device for underground work construction process | |
| CN106677727A (en) | Continuous negative pressure sand washing device and system thereof | |
| CN209761398U (en) | Oil-water well downhole operation pipe scraper | |
| CN105840125B (en) | A kind of controllable reacting cycle structure | |
| CN211230307U (en) | Continuous sand washing device and special continuous sand washing adapter | |
| CN206267816U (en) | Continuous negative pressure sand flushing device and its system | |
| CN108266140B (en) | Suction type vortex well scrubber | |
| CN104790891B (en) | Rotary sand flushing head | |
| CN212027719U (en) | Fishing device for underground falling objects | |
| CN202338239U (en) | Partial reverse circulation flushing and dredging pump | |
| CN210396710U (en) | An oil-water well anti-break-off filling tool | |
| CN207420502U (en) | It can releasing type jet wash instrument | |
| CN210483649U (en) | Oil bailing device | |
| RU2189432C2 (en) | Device for treatment of well walls | |
| CN106121590A (en) | Radial level boring is windowed filter back flush apparatus | |
| CN203603803U (en) | Reversing sliding sleeve and sand removal working device | |
| CN206600153U (en) | A kind of Telescopic continuous flushing device | |
| CN106368630A (en) | Method and special tool for sand flushing | |
| CN103470199A (en) | Reversing slide sleeve, sand washing operation device and sand washing operation method adopting same | |
| CN108661579B (en) | Telescopic continuous sand washing device and method |
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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Chengli Inventor after: Wang Peng Inventor after: Hu Bozhou Inventor after: Song Guoliang Inventor after: Zhou Yazhou Inventor after: Wang Dongqi Inventor before: Zhang Chengli Inventor before: Song Guoliang Inventor before: Zhou Yazhou Inventor before: Wang Dongqi Inventor before: Wang Peng Inventor before: Hu Bozhou |
|
| GR01 | Patent grant | ||
| 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: 20190405 Termination date: 20210606 |