CN103132967A - Multilateral well fracturing hanging well completion process device - Google Patents
Multilateral well fracturing hanging well completion process device Download PDFInfo
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- CN103132967A CN103132967A CN2011103903247A CN201110390324A CN103132967A CN 103132967 A CN103132967 A CN 103132967A CN 2011103903247 A CN2011103903247 A CN 2011103903247A CN 201110390324 A CN201110390324 A CN 201110390324A CN 103132967 A CN103132967 A CN 103132967A
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Abstract
The invention belongs to oil production process configuration of an oil field, and particularly relates to a multilateral well fracturing hanging well completion process device which comprises a sleeve (1), a positioning hanging packer (2), a main well open hole (3) and a main well staged fracturing pipe string (4). A multilateral well open hole (6) is formed in the circumference wall of the sleeve (1), wherein the upper end of the multilateral well open hole (6) is inclined, and the lower end of the multilateral well open hole (6) is horizontal. A pre-windowing surround-and-watch hanger (8) is connected on a main well hole fracturing inserting pipe (7) by utilization of a rotary pup joint (12), wherein the main well borehole fracturing inserting pipe (7) is arranged in a sleeve of the main well open hole (3). A multilateral well borehole sealing back-inserting pipe (9) is connected at the lower end of the pre-windowing surround-and-watch hanger (8), a hard axis joint (10) is arranged in the middle of the multilateral well borehole sealing back-inserting pipe (9), and a multilateral well borehole stages fracturing pipe string (11) is arranged in the horizontal section of the multilateral well borehole sealing back-inserting pipe (9). A removable heavy descending whipstock (5) is connected at the lower end of the main well borehole fracturing inserting pipe (7) in the main well sleeve (1), and the positioning hanging packer (2) is connected with the lower end of the removable heavy descending whipstock (5). According to the multilateral well fracturing hanging well completion process device, construction cost is reduced, expenses of a new well are saved and oil production of a single well is increased.
Description
Technical field
The invention belongs to the oil extraction in oil field Process configuration, particularly a kind of Multilateral Wells pressure break hangs the well-completing process device.
Background technology
At present, when opening up new well in the oil field, adopt the certain screen casing of extension hanger number of connection or tail pipe to carry out well completion operations, this well completion operations is carried out in a main shaft often more, and just can not recover the oil in the oil field in Completion Operations, affected production efficiency.
Summary of the invention
The object of the invention is to overcome above-mentioned technical deficiency, provide a kind of employing main shaft and Multilateral Wells to recover the oil simultaneously or recover the oil respectively, the Multilateral Wells pressure break that can enhance productivity hangs the well-completing process device.
the technical scheme that technical solution problem of the present invention adopts is: the Multilateral Wells pressure break hangs the well-completing process device and comprises sleeve pipe, the location hanging packer, the main shaft bore hole, main borehole staged fracturing pipe string, be characterized in establishing a upper end oblique on the circle wall of sleeve pipe, the Multilateral Wells bore hole of lower end level, connect to window in advance with the rotation short circuit on the main borehole pressure break intubate of establishing in the sleeve pipe of main shaft bore hole and surround and watch hanger, window in advance and surround and watch the hanger lower end and connect branch well hole and seal back intubate, branch well hole is established hard axle connection in the middle of sealing back intubate, the bottom that branch well hole seals back intubate become level to, in sealing back the horizontal segment of intubate, branch well hole establishes branch well hole staged fracturing pipe string, main borehole pressure break intubate lower end connection retrievable in the main shaft sleeve pipe heavily advances whipstock, retrievable heavily advances connection location, whipstock lower end hanging packer, the location hanging packer connects main borehole staged fracturing pipe string with pipeline.
The invention has the beneficial effects as follows: the Multilateral Wells pressure break hangs the well-completing process device can realize open hole well branch pressing crack construction, two Multilateral Wells of pressure break a bite well successively, can two Multilateral Wells recover the oil simultaneously after the pressure break success, if when the instrument in Multilateral Wells or stratum go wrong, can close flexibly, guarantee that another Multilateral Wells continues operation, has reduced construction cost, save the expense of new well, increased the oil production rate of individual well.
Description of drawings
Illustrate with embodiment below in conjunction with accompanying drawing.
Fig. 1 is that the Multilateral Wells pressure break hangs pipe string programme diagram under main shaft bore hole in the well-completing process device.
Fig. 2 leaves the assembly and connection figure that Multilateral Wells bore hole and retrievable heavily advance whipstock in Fig. 1.
Fig. 3 is the assembly and connection figure of the main borehole pressure break intubate in Fig. 2.
Fig. 4 is that the Multilateral Wells pressure break hangs the well-completing process structure drawing of device.
In figure, the 1-pipe box; 2-locates hanging packer; 3-main shaft bore hole; 4-main borehole staged fracturing pipe string; The 5-retrievable heavily advances whipstock; 6-Multilateral Wells bore hole; 7-main shaft pipe pressure break intubate; 8-windows in advance and surrounds and watches hanger; The 9-branch well hole seals back intubate; The hard axle of 10-; 11-branch well hole staged fracturing pipe string; 12-rotates short circuit; The 13-pipeline.
The specific embodiment
Embodiment, with reference to accompanying drawing 1 ~ 4, the Multilateral Wells pressure break hangs in the main shaft sleeve pipe 1 of well-completing process device and sets a hanging packer 2, location hanging packer 2 use the pipelines 13 connection main borehole staged fracturing pipe string 4 times horizontal level in the main shaft bore hole 3.The rear gyroscope that puts in place is suppressed the seat extension after surveying accurate orientation, is put the envelope instrument that send that trips out aside.Connection main borehole pressure break intubate 7 is gone into the well to and is located in hanging packer 2 tie-back sleeves, carries out pressing crack construction.After main shaft bore hole 3 pressure breaks are complete, trip out the main borehole staged fracturing pipe string 4 of giving up above, the connection retrievable heavily advances whipstock 5 and goes into the well, retrievable heavily advance whipstock 5 go into the well the location hanging packer 2 in, the rear antirotation keys piece that puts in place enters in hanging packer 2 anti-rotation grooves of location, opens retrievable and heavily advances whipstock 5 and trip out the envelope instrument that send.Connect the side drill bit of windowing and go into the well and window, leave Multilateral Wells bore hole 6.Trip out drilling tool after having made Multilateral Wells bore hole 6, lower fishing tool is pulled retrievable out and is heavily advanced whipstock 5.Connect retrievable and heavily advance whipstock 5 and goes into the well, retrievable heavily advance whipstock 5 enter in hanging packer 2 tie-back sleeves of location locked, on carry the envelope instrument that send that trips out of putting aside.Window in advance and surround and watch hanger 8 and connect branch well hole staged fracturing pipe strings 11 times in Multilateral Wells bore hole 6, after entering Multilateral Wells bore hole 6, pipe string 11 continues to transfer, enter to hard axle 10 and press down 5 ~ 7 tons after retrievable heavily advances whipstock 5, suppress seat and hang to window in advance and surround and watch hanger 8, to put aside mention to comprise hard axle 10 on rear send the envelope instrument.
Lower tube side order in Multilateral Wells bore hole 6 is, branch well hole seals back the intubate 9 hard axles 10 of use and connects 11 times horizontal levels to Multilateral Wells bore hole 6 of branch well hole staged fracturing pipe string, press down after putting in place and use branch well hole seal back intubate 9 to enter to rotate in short circuit 12 fully and carry out pressing crack construction, but the completion oil recovery.
Claims (1)
1. a Multilateral Wells pressure break hangs the well-completing process device, comprise sleeve pipe (1), location hanging packer (2), main shaft bore hole (3), main borehole staged fracturing pipe string (4), it is characterized in that establishing a upper end oblique on the circle wall of sleeve pipe (1), the Multilateral Wells bore hole (6) of lower end level, upper the windowing in advance with rotation short circuit (12) connection of the main borehole pressure break intubate (7) of establishing in the sleeve pipe of main shaft bore hole (3) surrounded and watched hanger (8), window in advance and surround and watch hanger (8) lower end and connect branch well hole and seal back intubate (9), branch well hole is established hard axle connection (10) in the middle of sealing back intubate (9), the bottom that branch well hole seals back intubate (9) become level to, in sealing back the horizontal segment of intubate (9), branch well hole establishes branch well hole staged fracturing pipe string (11), main borehole pressure break intubate (7) lower end connection retrievable in main shaft sleeve pipe (1) heavily advances whipstock (5), retrievable heavily advances connection location, whipstock (5) lower end hanging packer (2), location hanging packer (2) connects main borehole staged fracturing pipe string (4) with pipeline (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103903247A CN103132967A (en) | 2011-12-01 | 2011-12-01 | Multilateral well fracturing hanging well completion process device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103903247A CN103132967A (en) | 2011-12-01 | 2011-12-01 | Multilateral well fracturing hanging well completion process device |
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| CN103132967A true CN103132967A (en) | 2013-06-05 |
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| CN2011103903247A Pending CN103132967A (en) | 2011-12-01 | 2011-12-01 | Multilateral well fracturing hanging well completion process device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104481438A (en) * | 2014-11-13 | 2015-04-01 | 中国石油集团长城钻探工程有限公司 | Open well anchoring tie-back well completion technology of multilateral well and tail tubing feeding tool thereof |
| CN104632171A (en) * | 2015-02-05 | 2015-05-20 | 中国石油天然气集团公司 | Branching well staged fracturing well completion underground complete equipment and method |
| CN105637171A (en) * | 2013-12-20 | 2016-06-01 | 哈利伯顿能源服务公司 | Multilateral wellbore stimulation |
| CN109854203A (en) * | 2017-11-30 | 2019-06-07 | 中国石油化工股份有限公司 | A kind of branch well hole window sidetracking plugging device and method |
| CN110359896A (en) * | 2019-08-05 | 2019-10-22 | 中国石油集团长城钻探工程有限公司 | A kind of dual-lateral well fracturing technology method |
| CN110374570A (en) * | 2019-08-05 | 2019-10-25 | 中国石油集团长城钻探工程有限公司 | A kind of bi-lateral horizontal well naked eye staged fracturing construction method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105637171A (en) * | 2013-12-20 | 2016-06-01 | 哈利伯顿能源服务公司 | Multilateral wellbore stimulation |
| CN105637171B (en) * | 2013-12-20 | 2019-05-10 | 哈利伯顿能源服务公司 | The volume increase of multiple-limb wellbore |
| CN104481438A (en) * | 2014-11-13 | 2015-04-01 | 中国石油集团长城钻探工程有限公司 | Open well anchoring tie-back well completion technology of multilateral well and tail tubing feeding tool thereof |
| CN104481438B (en) * | 2014-11-13 | 2017-01-18 | 中国石油集团长城钻探工程有限公司 | Tail tubing feeding tool used for open well anchoring tie-back well completion technology of multilateral well |
| CN104632171A (en) * | 2015-02-05 | 2015-05-20 | 中国石油天然气集团公司 | Branching well staged fracturing well completion underground complete equipment and method |
| CN104632171B (en) * | 2015-02-05 | 2017-10-17 | 中国石油天然气集团公司 | Complete set of equipments and method under Multilateral Wells staged fracturing completion interval of well |
| CN109854203A (en) * | 2017-11-30 | 2019-06-07 | 中国石油化工股份有限公司 | A kind of branch well hole window sidetracking plugging device and method |
| CN109854203B (en) * | 2017-11-30 | 2021-08-17 | 中国石油化工股份有限公司 | Windowing sidetracking plugging device and method for branch well |
| CN110359896A (en) * | 2019-08-05 | 2019-10-22 | 中国石油集团长城钻探工程有限公司 | A kind of dual-lateral well fracturing technology method |
| CN110374570A (en) * | 2019-08-05 | 2019-10-25 | 中国石油集团长城钻探工程有限公司 | A kind of bi-lateral horizontal well naked eye staged fracturing construction method |
| CN110359896B (en) * | 2019-08-05 | 2021-10-26 | 中国石油天然气集团有限公司 | Double-branch well fracturing process method |
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Application publication date: 20130605 |