CN202300221U - Water controlling and oil production pipe column for open hole horizontal well - Google Patents
Water controlling and oil production pipe column for open hole horizontal well Download PDFInfo
- Publication number
- CN202300221U CN202300221U CN2011203673683U CN201120367368U CN202300221U CN 202300221 U CN202300221 U CN 202300221U CN 2011203673683 U CN2011203673683 U CN 2011203673683U CN 201120367368 U CN201120367368 U CN 201120367368U CN 202300221 U CN202300221 U CN 202300221U
- Authority
- CN
- China
- Prior art keywords
- pipe
- horizontal well
- hole horizontal
- sealing device
- water controlling
- 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000011229 interlayer Substances 0.000 claims abstract description 29
- 239000004576 sand Substances 0.000 claims abstract description 26
- 239000000725 suspension Substances 0.000 claims abstract description 18
- 210000002445 Nipples Anatomy 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 210000004907 Glands Anatomy 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 3
- 230000001808 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000000875 corresponding Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Abstract
The utility model provides a water controlling and oil production pipe column for an open hole horizontal well, comprising a suspension sealing device, separating production water controlling devices, interlayer sealing devices, a bottom float shoe, sand screening pipes, couplings, blind pipes, pipe outer seals, and a pipe plug. The suspension sealing device is sequentially connected with an interlayer sealing device, a sand screening pipe, a separating production water controlling device, a coupling, a blind pipe, an interlayer sealing device, a pipe outer seal, an interlayer sealing device, a blind pipe, a sand screening pipe, a separating production water controlling device, a blind pipe, an interlayer sealing device, a pipe outer seal, a blind pipe, a sand screening pipe, the pipe plug, a blind pipe, an interlayer sealing device, and the bottom floating shoe. The water controlling and oil production pipe column is characterized in that, combination segment oil production and water controlling oil production are performed, a dead nozzle is used for a water layer segment, and nozzles in different sizes are adopted for the oil reservoir segment to perform segment production allocation, the nozzles are replaced according to water containing condition at each segment to reach water controlling and oil increase, the water controlling and oil production pipe column can be cooperated with a drilling-free plug or a stage collar, and can also be cooperated with a tail pipe suspension device, the water controlling and oil production pipe column is widely applied to a secondary drilled well and a third drilled well in oil production.
Description
Technical field
The utility model relates to oil exploitation well down-hole string, particularly a kind of open-hole horizontal well control hydromining tubing string.
Background technology
Traditional oil exploitation well down-hole string is valve formula structure.The tubing string of said structure is that oil exploitation contributes, but exists following shortcoming or deficiency simultaneously: 1. functional lability can not reach good result; 2. the area that recovers the oil is too little, the output of influence oil; 3. instrument imperfection can not extensive use.
Summary of the invention
The purpose of the utility model provides a kind of open-hole horizontal well control hydromining tubing string; Adopt open-hole horizontal well pipe covering that oil reservoir is divided into plurality of sections; The interior corresponding adopted suspension sealing device of pipe, interlayer seal device, branch adopt water control device and mouthpiece carries out combined section control hydromining oil structure, the shortcoming or the deficiency that overcome effectively or avoid existing in the above-mentioned prior art.
The described open-hole horizontal well control of the utility model hydromining tubing string comprises suspension sealing device, divides and adopt water control device, interlayer seal device, bottom float shoe, sand screen
,Box cupling, blind pipe, pipe covering, plug
,It is characterized in that said suspension sealing device in order with interlayer seal device, sand screen
,Divide and adopt water control device, box cupling, blind pipe, interlayer seal device, pipe covering, interlayer seal device, blind pipe, sand screen
,Divide and adopt water control device, blind pipe, interlayer seal device, pipe covering, blind pipe, sand screen
,Plug, blind pipe, interlayer seal device, bottom float shoe are connected.
Wherein, Said suspension sealing device comprises that the casing nipple bottom is connected with sand screen; Be connected and installed with from top to bottom in the casing nipple top connection and with its outer hydraulic cylinder, pressure ring, sheath, rubber ring, upper cone, slips cover, swivel nut, lower cone, lower contact that is connected in order, top connection reach with its in be connected in order the lock pawl, separate sealing joint, central tube, lower cone, lock in the pawl bottom ball seat be installed; Lower contact is equipped with sheath outside the top; Central tube between upper cone and the lower cone is outer, slips and flat spring are installed in the slips cover, and central tube is outer, sleeve is installed in the rubber ring, between the lock pawl of top connection bottom and the pressure ring piston is installed.Said branch adopts water control device and sand screen links together; Divide the sealing inserted link top of adopting water control device to be connected with the lower contact of suspension sealing device; The bottom is connected with plug, is connected with control liquid pipe on the sealing inserted link in the sand screen, and the middle part of control liquid pipe is equipped with mouthpiece.Said interlayer seal device comprises upper binding head and the coupled seal that connects, and the seal bottom is connected with the extended body of bottom float shoe part, and sealed body cavity is equipped with gasket ring, V-type packing, lower seal gasket ring, gland from top to bottom.Said pipe covering is the tubular element that comprises box cupling and be connected with packing element therebetween.Said bottom float shoe comprises that extended body reaches and its tube connector that is connected in order, spring strut, drift; Spring strut inner chamber top is equipped with ball seat; Steel ball is located on it, and the ball seat lower end in the spring tube, drift are equipped with upper spring seat, spring, spring positioning sleeve between the upper end in order.Said drift is the piston-shaped member that low side is spherical or convex structure, which is provided with vertical line through hole or groove.Said pressure ring fixes by pinning and separating sealing joint.Separating of said pressure ring lower end is equipped with the opening nut on the sealing joint.Said rubber ring lower end is equipped with round nut.
The utility model has following advantage compared with prior art:
1, adopt the pipe covering that oil reservoir is divided into plurality of sections outward the open-hole horizontal well pipe, corresponding adopted suspension sealing device in the pipe, branch adopt water control device and mouthpiece carries out the combined section oil recovery, reaches and controls hydromining oil effectively.
2, the water layer section is used dead mouthpiece, and oil layer section can carry out segmentation according to the mouthpieces of the different sizes of the moisture height employing of electrical measurement line infiltration height and join product.After producing a period of time,, trip out to survey in the pipe and transfer, change mouthpiece, be lowered to operation again, to reach the purpose of water-control oil-increasing according to the moisture situation of each section.
3, can with exempt to bore plug or sizing collar cooperates, be used for two and drive a well, also can cooperate to be used for three and to drive a well with extension hanger.
Description of drawings
Fig. 1 a-d is a kind of example structure sketch map of utility model;
Fig. 2 is for pressing suspension sealing device part-structure sketch map shown in Figure 1;
Fig. 3 is for to adopt water control device part-structure sketch map by branch shown in Figure 1;
Fig. 4 is for pressing bottom float shoe part-structure sketch map shown in Figure 1.
Concrete implementation
Consult Fig. 1-Fig. 4, a kind of open-hole horizontal well control hydromining tubing string comprises suspension sealing device, divides and adopt water control device, interlayer seal device, bottom float shoe, sand screen 25
,Box cupling 29, blind pipe 30, pipe covering 31, plug 32
Suspension sealing device in order with interlayer seal device, sand screen 25
,Divide and adopt water control device, box cupling 29, blind pipe 30, interlayer seal device, pipe covering 31, interlayer seal device, blind pipe 30, sand screen 25
,Divide and adopt water control device, blind pipe 30, interlayer seal device, pipe covering 31, blind pipe 30, sand screen 25
,Plug 32, blind pipe 30, interlayer seal device, bottom float shoe are connected.
Suspension sealing device comprises that casing nipple 13 bottoms are connected with sand screen 25; Being connected and installed with top connection 1 in the casing nipple 13 from top to bottom reaches and its outer hydraulic cylinder 2, pressure ring 6, sheath 9, rubber ring 15, upper cone 17, slips cover 18, swivel nut 22, lower cone 21, lower contact 24 that is connected in order; Top connection 1 and with its in be connected in order lock pawl 5, separate sealing joint 7, central tube 11, lower cone 21; The lock pawl is equipped with ball seat 12 in 5 bottoms; Lower contact is equipped with sheath 23 outside 24 tops; Central tube 11 between upper cone 17 and the lower cone 21 is outer, slips 19 and flat spring 20 are installed in the slips cover 18, and central tube is 11 outer, sleeve 14 is installed in the rubber ring 15, between the lock pawl 5 of top connection 1 bottom and the pressure ring 6 piston 4 is installed.Said branch adopts water control device and sand screen 25 links together; Divide sealing inserted link 26 tops of adopting water control device to be connected with the lower contact 24 of suspension sealing device; The bottom is connected with plug 32; Be connected with control liquid pipe 27 on the sealing inserted link 26 in the sand screen 25, the middle part of control liquid pipe 27 is equipped with mouthpiece 28.The interlayer seal device comprises upper binding head 33 and the coupled seal that connects 37; Seal 37 bottoms are connected with the extended body 39 of bottom float shoe part, and seal 37 inner chambers are equipped with gasket ring 34, V-type packing 36, lower seal gasket ring 35, gland 38 from top to bottom.The interlayer seal device is installed on the two ends of sand screen 25 and pipe covering 31 respectively.Pipe covering 31 is the tubular element that comprises box cupling and be connected with packing element therebetween.The quantity of this tubular element connection is decided according to oil well is actual.Bottom float shoe 39-47 comprises that extended body 39 reaches and its tube connector that is connected in order 40, spring strut 46, drift 47; Spring strut 46 inner chamber tops are equipped with ball seat 41; Steel ball 42 is located on it, between ball seat 41 lower ends in the spring tube 46, drift 47 upper ends upper spring seat 43, spring 44, spring positioning sleeve 45 is installed in order.Drift 47 which is provided with vertical line through hole or groove for low side is the piston-shaped member of spherical or convex structure.Pressure ring 6 by pin 8 with separate sealing joint 7 and fix.Separating of pressure ring 6 lower ends is equipped with opening nut 10 on the sealing joint 7.Rubber ring 15 lower ends are equipped with round nut 16.Top connection, piston 4, separate on sealing joint 7, upper cone 17, the lower cone 21 seal 3 is installed.
Claims (10)
1. an open-hole horizontal well control hydromining tubing string comprises suspension sealing device, divides and adopt water control device, interlayer seal device, bottom float shoe, sand screen
,Box cupling, blind pipe, pipe covering, plug
,It is characterized in that said suspension sealing device in order with interlayer seal device, sand screen
,Divide and adopt water control device, box cupling, blind pipe, interlayer seal device, pipe covering, interlayer seal device, blind pipe, sand screen
,Divide and adopt water control device, blind pipe, interlayer seal device, pipe covering, blind pipe, sand screen
,Plug, blind pipe, interlayer seal device, bottom float shoe are connected.
2. open-hole horizontal well control hydromining tubing string according to claim 1; It is characterized in that said suspension sealing device comprises that the casing nipple bottom is connected with sand screen; Being connected and installed with top connection in the casing nipple from top to bottom reaches and its outer hydraulic cylinder, pressure ring, sheath, rubber ring, upper cone, slips cover, swivel nut, lower cone, lower contact that is connected in order; Top connection and with its in be connected in order the lock pawl, separate sealing joint, central tube, lower cone; Lock is equipped with ball seat in the pawl bottom, and lower contact is equipped with sheath outside the top, and the central tube between upper cone and the lower cone is outer, slips and flat spring are installed in the slips cover; Central tube is outer, sleeve is installed in the rubber ring, between the lock pawl of top connection bottom and the pressure ring piston is installed.
3. open-hole horizontal well control hydromining tubing string according to claim 1; It is characterized in that said branch is adopted water control device and sand screen links together; Divide the sealing inserted link top of adopting water control device to be connected with the lower contact of suspension sealing device; The bottom is connected with plug, is connected with control liquid pipe on the sealing inserted link in the sand screen, and the middle part of control liquid pipe is equipped with mouthpiece.
4. open-hole horizontal well control hydromining tubing string according to claim 1; It is characterized in that said interlayer seal device comprises upper binding head and the coupled seal that connects; The seal bottom is connected with the extended body of bottom float shoe part, and sealed body cavity is equipped with gasket ring, V-type packing, lower seal gasket ring, gland from top to bottom.
5. open-hole horizontal well control hydromining tubing string according to claim 1 is characterized in that said pipe covering is the tubular element that comprises box cupling and be connected with packing element therebetween.
6. open-hole horizontal well control hydromining tubing string according to claim 1; It is characterized in that said bottom float shoe comprises that extended body reaches and its tube connector that is connected in order, spring strut, drift; Spring strut inner chamber top is equipped with ball seat; Steel ball is located on it, and the ball seat lower end in the spring tube, drift are equipped with upper spring seat, spring, spring positioning sleeve between the upper end in order.
7. according to claim 1 or 6 described open-hole horizontal well control hydromining tubing strings, it is characterized in that said drift is the piston-shaped member that low side is spherical or convex structure, which is provided with vertical line through hole or groove.
8. open-hole horizontal well control hydromining tubing string according to claim 2 is characterized in that said pressure ring fixes by pinning and separating sealing joint.
9. according to claim 2 or 8 described open-hole horizontal well control hydromining tubing strings, it is characterized in that separating of said pressure ring lower end is equipped with the opening nut on the sealing joint.
10. according to claim 2 or 8 described open-hole horizontal well control hydromining tubing strings, it is characterized in that said rubber ring lower end is equipped with round nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203673683U CN202300221U (en) | 2011-09-30 | 2011-09-30 | Water controlling and oil production pipe column for open hole horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203673683U CN202300221U (en) | 2011-09-30 | 2011-09-30 | Water controlling and oil production pipe column for open hole horizontal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202300221U true CN202300221U (en) | 2012-07-04 |
Family
ID=46369143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203673683U Expired - Lifetime CN202300221U (en) | 2011-09-30 | 2011-09-30 | Water controlling and oil production pipe column for open hole horizontal well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202300221U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358539A (en) * | 2014-11-18 | 2015-02-18 | 盐城市森鑫石油机械有限公司 | Small sleeve drilling liner cementing device for reforming old well and abandoned well in old oil region of oil field |
| CN105089580A (en) * | 2014-05-12 | 2015-11-25 | 中国石油化工股份有限公司 | Self-adapting water control device for oil production system and oil production system |
| CN105626003A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Control device used for regulating formation fluid |
| CN110130857A (en) * | 2019-03-18 | 2019-08-16 | 中国石油集团长城钻探工程有限公司 | A kind of open-hole horizontal well tune flow control water installations and balanced oil extraction process tubular column |
-
2011
- 2011-09-30 CN CN2011203673683U patent/CN202300221U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089580A (en) * | 2014-05-12 | 2015-11-25 | 中国石油化工股份有限公司 | Self-adapting water control device for oil production system and oil production system |
| CN105089580B (en) * | 2014-05-12 | 2017-12-26 | 中国石油化工股份有限公司 | Self-adaptive controlled water installations and oil extraction system for oil extraction system |
| CN105626003A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Control device used for regulating formation fluid |
| CN104358539A (en) * | 2014-11-18 | 2015-02-18 | 盐城市森鑫石油机械有限公司 | Small sleeve drilling liner cementing device for reforming old well and abandoned well in old oil region of oil field |
| CN110130857A (en) * | 2019-03-18 | 2019-08-16 | 中国石油集团长城钻探工程有限公司 | A kind of open-hole horizontal well tune flow control water installations and balanced oil extraction process tubular column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QINGDAO RUIXIN PETROLEUM EQUIPMENT MANUFACTURING C Free format text: FORMER OWNER: KONG LISHENG Effective date: 20130506 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 257000 DONGYING, SHANDONG PROVINCE TO: 257000 QINGDAO, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130506 Address after: 257000, Shandong Province, Qingdao City, Jimo Province Blue Town Happy Road East first South Patentee after: Qingdao Ruixin Petroleum Equipment Manufacturing Co., Ltd. Address before: 257000 Shandong province Dongying City West Road No. 518 Patentee before: Kong Lisheng |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190920 Address after: 266232, Shandong Province, Qingdao City, Jimo Province Blue Town Happy Road East first South Co-patentee after: Dongying Ruifeng Petroleum Development Co., Ltd. Patentee after: Qingdao Ruixin Petroleum Equipment Manufacturing Co., Ltd. Address before: 257000, Shandong Province, Qingdao City, Jimo Province Blue Town Happy Road East first South Patentee before: Qingdao Ruixin Petroleum Equipment Manufacturing Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |