CN2539840Y - Multifunctional sand-proof tubular column - Google Patents
Multifunctional sand-proof tubular column Download PDFInfo
- Publication number
- CN2539840Y CN2539840Y CN 02213253 CN02213253U CN2539840Y CN 2539840 Y CN2539840 Y CN 2539840Y CN 02213253 CN02213253 CN 02213253 CN 02213253 U CN02213253 U CN 02213253U CN 2539840 Y CN2539840 Y CN 2539840Y
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- Prior art keywords
- sand control
- joint
- described multi
- anchor
- functional sand
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Abstract
The utility model relates to a multifunctional sand-proof pipe string which comprises an oil tube, a grappling device, a liner and a centering device. A packer and a connecting-tripping device are provided at the upper part of the grappling device in sequence. A liquid diverter, the centering device and the liner are provided at the lower part of the grappling device in sequence. The multifunctional sand-proof pipe string of the utility model is applied in the gravel packing sand-proof technology and similar job executions. One time of pipe string down is able to finish the process of the stratum sand filling and the annulus sand filling of the liner and the case pipe. The utility model also has the functions of pipe string rotating transmission torque, counter well cleanout, etc.
Description
The utility model relates to the process for petroleum recovery tubing string, relates in particular to a kind of multi-functional sand control pipe of wire-wrapped screen gravel filling sand prevention construction.
At present, it is that tubing string connects wire-wrapped screen and packing tool that the employed tubing string of cased hole gravel packing sand control is carried out at the oil exploitation scene, finish stratum filling, annular pack and multi-section multi-layer filling process, need repeatedly play lower tubular column, well-flushing, pitching operation procedure such as suppress, give up, the construction sequence complexity, it is frequent to play lower tubular column, causes long construction period, problems such as expense height.
The purpose of this utility model provides and a kind ofly can overcome problems of the prior art, has again with a tubing string and can finish sands insertion into layer, annular space back-up sand and positive and negative well-flushing, the tubing string multi-functional sand control pipe of working procedures such as give up.
Scheme of the present utility model is: multi-functional sand control pipe comprises anchor, centralizer and screen casing.Upper end at anchor connects packer and on-off connector successively, and the lower end of anchor connects liquid steering gear, centralizer and screen casing successively, between disjointed device and the liquid steering gear, has an end to connect the interior pipe of piston, perforation packer and anchor inner chamber.On-off connector is by top connection, male joint, hanging pup joint, and female joint, sheath, piston, interior pipe and fishing joint are formed.Hanging pup joint one end links to each other with top connection, and the other end matches with female joint, and the two ends of female joint also are connected with fishing joint with male joint respectively, on the fishing joint wall flowing hole are arranged.Packer is by upper and lower joint, and central tube, packing element, upper press ring, following filler ring, flat key, lining, jump ring, clip spring seat, jump ring cover, deblocking seat, baffle ring and deblocking body constitute.The one end links to each other with on-off connector, and the other end links to each other with anchor.Jump ring has outer tooth, and jump ring is with interior alveolus.The liquid steering gear is made of upper and lower joint, overcoat, bridge body, the bar of blocking, upper and lower valve body, upper and lower valve ball, sliding sleeve, pin, shear pin, shear pin ring, sealing drum, connector, lower valve base and seal.Bridge body center is a through hole, and external surface has the shaft orientation flowing channel middle part to have flowing hole to be linked as with overcoat, and its flowing hole is corresponding with the overcoat flowing hole.Sliding sleeve is the structure that an end has interior outer lug boss, and inner convex platform matches with the groove of following valve body, and outer lug boss can match with bridge body groove.Sliding sleeve and bridge body inner surface are slidingly matched.Liquid steering gear inner chamber has the upper and lower valve ball of well cleanout and reverse cleanout.The one end links to each other with anchor, and the other end links to each other with centralizer.Anchor, screen casing and centralizer are the commercially available prod.
The utility model compared with prior art has following advantage:
1, can finish the gravel filling sand prevention construction operation of stratum and annular space with running string;
2, simple to operate, ground by rotate, transfer, on carry oil pipe and can finish tubing string grappling, packer set, on-off connector operation such as give up.
3, operation procedure is simple, and the cycle is short, and each operation can be lacked secondary tubing string down than prior art, shortens activity duration 4-5 days, and the comparable prior art of operating expenses is saved 250,000 yuan;
4, alleviated job execution personnel's labour intensity, rate when having improved the production of construction well.
5, prevent that flushing fluid and anti-discharge opeing from entering the stratum, causes damage to the stratum;
When 6, instrument is blocked, can transfer to part instrument and tubing string by force, bring convenience to workover treatment.
Description of drawings is as follows:
Fig. 1 is an example structure front view of the present utility model;
Fig. 2 is the utility model on-off connector structural representation;
Fig. 3 is the utility model packer construction schematic diagram;
Fig. 4 is the utility model liquid steering gear structural representation.
The utility model elaborates below in conjunction with the embodiment accompanying drawing:
Connect on-off connector 1, packer 2, anchor 3, liquid steering gear 4, centralizer 5 and screen casing 6 as Fig. 1, on tubing string 8 successively, multi-functional sand control pipe is lowered to design attitude in the sleeve pipe 7, screen casing is aimed at the stratum perforated interval that carries out gravel pack.
Fig. 2 is on-off connector 1 structural representation, and on-off connector has two functions, 1, tubing string when rotation can be to the instrument transfer torque of its underpart; 2, tubing string rotates, transfers and the instrument and the tubing string that are connected its underpart can be given up, and stays the down-hole.Hanging pup joint 102 1 ends connect top connection 101, the other end and female joint 105 spline fitted, and male joint 104 1 ends and top connection 101 spline fitted, the other end is threaded with female joint 105, and the female joint lower end links to each other with fishing joint 106.Sheath 103 1 ends link to each other with top connection 101, and the other end is enclosed within male joint 104 external surfaces, and can slide thereon.Interior pipe 107 1 ends link to each other with piston 108, are positioned over the inner chamber of hanging pup joint 102, and seal 109 is housed on the piston, and the other end passes the inner chamber of packer 2 and anchor 3, is connected with the upper valve body 408 of liquid steering gear 4.
As Fig. 3, the top connection 201 of packer 2 links to each other with central tube 206 1 ends, the other end of central tube links to each other with deblocking body 213, packing element 204 is contained between upper press ring 203 and the following filler ring 207, jump ring overlaps 212 1 ends and links to each other with following filler ring, the other end links to each other with lower contact 216, and jump ring 209 is contained on the clip spring seat 208, and baffle ring 210 is contained between clip spring seat and the deblocking seat 211.Flat key 214 is contained in the keyway of jump ring cover 212, is slidingly matched with keyway on deblocking body 213 external surfaces, and interior pipe 107 passes the packer inner chamber.When packing element is subjected to wedge when envelope, jump ring 209 hangs in the zigzag annular groove of jump ring cover 212, makes packing element keep the compand state, resets and makes the packer deblocking to prevent the packing element resilience.Seal 202,215 is contained in respectively on lining 205 and the deblocking body 213.
As Fig. 4, liquid steering gear 4 can be carried out filling and anti-flushing well operation.Interior pipe 107, upper valve body 408, following valve body 416 and lower valve base 425 interconnect, and top connection 401, overcoat 417 and connector 420 interconnect, lower contact 422 and connector 420; Connect with pin 421; Sealing drum 405 is connected on the bridge body 409, and overcoat 417 and bridge body 409 are connected as a single entity, and sliding sleeve 412 is slidingly matched with bridge body 409 and upper valve body 408; Shear pin 403 is screwed in upper valve body 408 by shear pin ring 404, and upper valve ball 413 and lower valve ball 423 match with following valve body 416 and lower valve base 425 respectively; The bar 410 of blocking is contained on the upper valve body, and seal 402,406,407,411,414,415,418,419,424 installs respectively on top connection, upper valve body, following valve body, bridge body, sliding sleeve, connector, lower valve base.During anti-flushing well, the fluid that enters the liquid steering gear can be closed lower valve ball 423 by in the valve body under the side opening inflow of passage on the bridge body and following valve body 416, opens upper valve ball 413, flow to ground along upper valve body 408 and interior pipe 107, finishes the anti-flushing well operation.
Claims (10)
1, a kind of multi-functional sand control pipe, comprise anchor, screen casing and centralizer, it is characterized in that connecting packer (2) and on-off connector (1) successively in anchor (3) upper end, anchor (3) lower end, connect liquid steering gear (4), screen casing (6) and centralizer (5) successively, between disjointed device (1) and the liquid steering gear (4), there is an end to connect the interior pipe (107) of piston (108), perforation packer (2) and anchor (3) inner chamber.
2, according to the described multi-functional sand control pipe of claim 1, it is characterized in that on-off connector (1) is made of top connection (101), male joint (104), hanging pup joint (102), female joint (105), fishing joint (106), sheath (103), piston (108), interior pipe (107), hanging pup joint (102) one ends link to each other with top connection (101), the other end and female joint (105) spline fitted, the two ends of female joint (105) connect male joint (104) and fishing joint (106) respectively.
3,, it is characterized in that on fishing joint (106) wall flowing hole (110) being arranged according to the described multi-functional sand control pipe of claim 2.
4, according to the described multi-functional sand control pipe of claim 1, it is characterized in that packer (2) is by upper and lower joint (201,216), central tube (206), packing element (204), upper press ring (203), filler ring (207), flat key (214), lining (205), jump ring (209), clip spring seat (208), jump ring cover (212), deblocking seat (211), baffle ring (210) and deblocking body (213) are formed down, its top connection (201) links to each other with on-off connector (1), and lower contact (216) links to each other with anchor (3).
5, according to the described multi-functional sand control pipe of claim 4, it is characterized in that jump ring (209) has outer tooth, jump ring cover (212) has interior alveolus.
6, according to the described multi-functional sand control pipe of claim 1, it is characterized in that liquid steering gear (4) is by last, lower contact (401,422), overcoat (417), bridge body (409), the bar (410) of blocking, on, following valve body (408,416), on, lower valve ball (413,423), sliding sleeve (412), pin (421), shear pin (403), shear pin ring (404), sealing drum (405), connector (420), lower valve base (425) and seal (402,406,407,411,414,415,418,419,424) form, anchor (3) links to each other, and the other end links to each other with centralizer (5).
7, according to claim 1 or 6 described multi-functional sand control pipes, it is characterized in that bridge body (409) center is a through hole, external surface has shaft orientation flowing channel, and there is flowing hole at the middle part, is connected as a single entity with overcoat (417).
8, according to claim 1 or 6 described multi-functional sand control pipes, it is characterized in that sliding sleeve (412) is the structure that an end has interior outer lug boss, inner convex platform matches with the groove of following valve body (416), and outer lug boss can match with bridge body (409) groove.
9, according to the described multi-functional sand control pipe of claim 8, sliding sleeve (412) is slidingly matched with bridge body (409) inner surface.
10,, it is characterized in that liquid steering gear (4) inner chamber has upper and lower valve ball (413,423) according to claim 1 or 6 described multi-functional sand control pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02213253 CN2539840Y (en) | 2002-03-11 | 2002-03-11 | Multifunctional sand-proof tubular column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02213253 CN2539840Y (en) | 2002-03-11 | 2002-03-11 | Multifunctional sand-proof tubular column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2539840Y true CN2539840Y (en) | 2003-03-12 |
Family
ID=33692790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02213253 Expired - Fee Related CN2539840Y (en) | 2002-03-11 | 2002-03-11 | Multifunctional sand-proof tubular column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2539840Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758601A (en) * | 2012-07-23 | 2012-10-31 | 中国石油化工股份有限公司 | Top-sealed bottom-extracted extruded filled integral sand-preventing process column and method |
| CN104632148A (en) * | 2013-11-13 | 2015-05-20 | 中国石油化工股份有限公司 | Horizontal well intra-tube segmentation gravel filling sand control tubing string and filling devices |
| CN105134141A (en) * | 2015-08-25 | 2015-12-09 | 中国石油天然气股份有限公司 | Process pipe column |
| CN105545258A (en) * | 2014-10-29 | 2016-05-04 | 中国石油天然气股份有限公司 | Sand prevention and sand setting device under pump of mechanical production well |
| CN107542435A (en) * | 2016-06-29 | 2018-01-05 | 中国石油化工股份有限公司 | The method that selective sand control improves loose sand oil accumulation development effectiveness |
| CN109236246A (en) * | 2018-08-23 | 2019-01-18 | 中国石油化工股份有限公司 | A kind of oil reservoir purification sewage takes sandfilling anti-sand method and sand control pipe |
| CN110700802A (en) * | 2017-10-16 | 2020-01-17 | 高瑞民 | Construction method of petroleum well repairing tool |
| CN111236918A (en) * | 2020-02-27 | 2020-06-05 | 山东省地质科学研究院 | Rock salt mine separate-layer mining pipe column and rock salt mine separate-layer mining method |
-
2002
- 2002-03-11 CN CN 02213253 patent/CN2539840Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758601A (en) * | 2012-07-23 | 2012-10-31 | 中国石油化工股份有限公司 | Top-sealed bottom-extracted extruded filled integral sand-preventing process column and method |
| CN104632148A (en) * | 2013-11-13 | 2015-05-20 | 中国石油化工股份有限公司 | Horizontal well intra-tube segmentation gravel filling sand control tubing string and filling devices |
| CN104632148B (en) * | 2013-11-13 | 2018-10-16 | 中国石油化工股份有限公司 | A kind of horizontal well tube is interior to be segmented gravel filling sand prevention tubing string and device for filling |
| CN105545258A (en) * | 2014-10-29 | 2016-05-04 | 中国石油天然气股份有限公司 | Sand prevention and sand setting device under pump of mechanical production well |
| CN105134141A (en) * | 2015-08-25 | 2015-12-09 | 中国石油天然气股份有限公司 | Process pipe column |
| CN107542435A (en) * | 2016-06-29 | 2018-01-05 | 中国石油化工股份有限公司 | The method that selective sand control improves loose sand oil accumulation development effectiveness |
| CN110700802A (en) * | 2017-10-16 | 2020-01-17 | 高瑞民 | Construction method of petroleum well repairing tool |
| CN109236246A (en) * | 2018-08-23 | 2019-01-18 | 中国石油化工股份有限公司 | A kind of oil reservoir purification sewage takes sandfilling anti-sand method and sand control pipe |
| CN109236246B (en) * | 2018-08-23 | 2020-10-02 | 中国石油化工股份有限公司 | Sand-carrying filling sand prevention method for oil reservoir purified sewage and sand prevention pipe column |
| CN111236918A (en) * | 2020-02-27 | 2020-06-05 | 山东省地质科学研究院 | Rock salt mine separate-layer mining pipe column and rock salt mine separate-layer mining method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |