CN201991444U - Windowing and sidetrack drilling device - Google Patents
Windowing and sidetrack drilling device Download PDFInfo
- Publication number
- CN201991444U CN201991444U CN 201120078849 CN201120078849U CN201991444U CN 201991444 U CN201991444 U CN 201991444U CN 201120078849 CN201120078849 CN 201120078849 CN 201120078849 U CN201120078849 U CN 201120078849U CN 201991444 U CN201991444 U CN 201991444U
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- expansion
- windowing
- bar
- guide wire
- head
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Abstract
The utility model discloses a windowing and sidetrack drilling device, which belongs to an overhaul operation tool in the oil industry, and comprises an expansion pipe locator and a windowing whipstock, wherein the expansion pipe locator comprises a direction-finding nipple, a hollow pull rod, an expansion pipe, a sealing piece, an expansion head, a guide pipe, a sedimentation tail pipe and a plug, and the windowing whipstock comprises a windowing milling cone, a whipstock, a connecting rod and a guide inserting rod. With the windowing and sidetrack drilling device, the whipstock can be accurately fixed to achieve the purpose of windowing and sidetrack drilling, the construction quality of a casing sidetrack drilling and windowing well is effectively improved, and the underground operation accidents that windows can not be found in windowing, drilling, well completion and other construction stages can be avoided, and thereby the production cost is also reduced.
Description
Technical field
The utility model relates to the heavy repair task instrument of petroleum industry, particularly window sidetracking device, by the expansion principle grappling sidetracking device of expansion tube, thereby makes the firm and accurate positioning of the window of windowing of sleeve pipe.
Background technology
Middle and advanced stage has been arrived in oil field development, in order to keep the intact and volume increase of oil well, the directed drilling technology is applied on the heavy repair task of oil well, utilizes the intact well section of OW, makes the OW volume increase, and the window sidetracking device is an important tool of implementing this technology.At present in casing sidetracking technology, use more sidetracking device to be that tail pipe is fixed and lead ramp and the slips suspension type is led ramp, the former connects by shear pin with sending oblique instrument, gyro location post-infusion cement slurry, descend the pier tubing string to cut off shear pin then, trip out and send inclined tube post and Hou Ning, wait to lead to be lowered to again after italic is fixed and mill awl, lead the italic orientation when this technology weak point is downward pier tubing string and easily change, and long construction period; The latter will lead italic and the slips anchoring device is linked together, make slips anchoring on sleeve pipe by pump pressure, thereby realize leading the fixing of italic, and then be lowered to and mill awl, because the tapering of slips anchoring device is little, cause the anchorage force of slips sheet little, lead easily glide after italic is milled the complicated power effect of awl, side changes.Therefore the scene needs a kind of simple and firm device fixedly lead italic, solves the problem that italic glides, side is changeed of leading.
The patent disclosure of ZL200320121269.2 a kind of sidetracking whipstock of windowing, its body is made up of deflecting part and anchor portion, in the lower end of whipstock anchor mechanism connection hydraulic pressure seal part, the major defect compressive resistance that exists is low, side easily takes place the deflecting part changes, and the position that causes windowing can not accurately be located.
Summary of the invention
The purpose of this utility model provides a kind of window sidetracking device, utilizes expansion tube grappling technology, solves to lead italic in the present window sidetracking technology and be difficult for fixing problem, improves the window construction quality of well of casing side tracking.
The purpose of this utility model is achieved in that this device is made up of the expansion positioning device and the wedge deflection tool of windowing, wherein: the expansion positioning device is made up of direction finding pipe nipple, hollow draw-bar, expansion tube, seal, expansion-head, guide wire, sand setting tail pipe and plug, the direction finding pipe nipple is connected with hollow draw-bar by screw thread, the hollow draw-bar middle part is by the expansion-head that has been threaded, expansion-head is that the cross section is the truncated cone-shaped hollow body, is provided with directionkeys in the hollow draw-bar bottom; Guide wire top is the inclined-plane, have the guiding keyway on the tube wall, the directionkeys of hollow draw-bar bottom snaps in the guiding keyway on the guide wire tube wall, and the internal diameter of guide wire is greater than the external diameter of hollow draw-bar, guide wire is connected with the sand setting tail pipe by becoming the snapping head, and sand setting tail pipe bottom is equipped with plug; The expansion tube upper diameter is less than lower diameter, and its changeover portion is the taper table top, on the outer tube wall of the top of expansion tube the sulfuration seal is installed; Expansion-head is connected on the taper table top of expansion tube changeover portion, in the annular space of expansion tube and sand setting tail pipe sealing ring is installed.
The wedge deflection tool of windowing mills awl, leads italic by windowing, connecting rod and guiding insertion rod are formed, and windows to mill awl and lead italic and connect by shear pin, leads italic, connecting rod, guiding insertion rod and is threaded successively and forms, and is provided with the fastening key on connecting rod.
The expansion tube top is the horn mouth shape.
The beneficial effects of the utility model are: utilize the expansion principle of expansion tube and will lead italic to be anchored on the position of windowing, solved the fixing not firm problem of italic of leading, avoided windowing, crept into construction stages such as completions and can not find the underground work accident of window, thereby also reduced cost of production.
Description of drawings
Fig. 1 is an expansion positioning device structural representation;
Fig. 2 is the guide wire structural representation;
Fig. 3 is the wedge deflection tool structural representation of windowing.
The specific embodiment
By Fig. 1, Fig. 3 as can be known, utility model is made up of the expansion positioning device and the wedge deflection tool of windowing, wherein:
The expansion positioning device is made up of direction finding pipe nipple 2, hollow draw-bar 3, expansion tube 5, seal 6, expansion-head 7, guide wire 8, sand setting tail pipe 13 and plug 14, direction finding pipe nipple 2 is connected with hollow draw-bar 3 by screw thread, the hollow draw-bar middle part is by the expansion-head 7 that has been threaded, expansion-head 7 is that the cross section is the truncated cone-shaped hollow body, is provided with directionkeys 4 in the hollow draw-bar bottom; As shown in Figure 2, guide wire 8 tops are inclined-plane 9, have guiding keyway 10 on the tube wall, the directionkeys 4 of hollow draw-bar 3 bottoms snaps in the guiding keyway 10 on guide wire 8 tube walls, the internal diameter of guide wire 8 is greater than the external diameter of hollow draw-bar 3, guide wire 8 is connected with sand setting tail pipe 13 by becoming snapping head 11, and sand setting tail pipe 13 bottoms are equipped with plug 14; Expansion tube 5 upper diameter are less than lower diameter, and its changeover portion is the taper table top, and sulfuration seal 6 is installed on the outer tube wall of the top of expansion tube 5; Expansion-head 7 is connected on the taper table top of expansion tube 5 changeover portions, in the annular space of expansion tube 5 and sand setting tail pipe 13 sealing ring 12 is installed.
As shown in Figure 3, the wedge deflection tool of windowing mills awl 15 by windowing, lead italic 17, connecting rod 18 and guiding insertion rod 20 is formed, window and mill awl 15 and lead italic 17 and connect by shear pin 16, lead italic 17, connecting rod 18, guiding insertion rod 20 is threaded successively and forms, and is provided with fastening key 19 on connecting rod 18.
Described expansion tube 5 tops are the horn mouth shape.
During use, earlier drilling rod 1 is threaded with direction finding pipe nipple 2, set the azimuth between the guiding keyway 10 in direction finding pipe nipple 2 and the guide wire 8, the expansion positioning device is lowered into specifies the position of windowing, in tubing string, beat displacement fluid by the water pump car then, after pump pressure improves, displacement fluid enters in the expansion tube 5 along the annular space between guide wire 8 and the hollow draw-bar 3, make the up and distending expansion tube 5 of expansion-head 7 beginnings, seal 6 on the expansion tube 5 just firmly is anchored on the sleeve pipe, the upper lifting pipe post trips out hollow draw-bar 3; The wedge deflection tool of will windowing subsequently is lowered into the position of windowing, guiding insertion rod 20 is introduced in the endoporus of guide wire 8 Xia Dun tubing string, fastening key 19 on the connecting rod 18 enters in the guiding keyway 10 along the guiding face 9 of guide wire 8, continue the pressurization pier and disconnect window and mill awl 15 and lead shear pin between the italic 17, window and mill awl 15 and can carry out the window sidetracking construction along the guiding incline of leading on the italic 17.
Claims (2)
1. a window sidetracking device is made up of the expansion positioning device and the wedge deflection tool of windowing, and it is characterized in that:
The expansion positioning device is made up of direction finding pipe nipple (2), hollow draw-bar (3), expansion tube (5), seal (6), expansion-head (7), guide wire (8), sand setting tail pipe (13) and plug (14), direction finding pipe nipple (2) is connected with hollow draw-bar (3) by screw thread, hollow draw-bar (3) middle part is by the expansion-head (7) that has been threaded, expansion-head (7) is that the cross section is the truncated cone-shaped hollow body, is provided with directionkeys (4) in hollow draw-bar (3) bottom; Guide wire (8) top is inclined-plane (9), have guiding keyway (10) on the tube wall, the directionkeys (4) of hollow draw-bar (3) bottom snaps in the guiding keyway (10) on guide wire (8) tube wall, the internal diameter of guide wire (8) is greater than the external diameter of hollow draw-bar (3), guide wire (8) is connected with sand setting tail pipe (13) by becoming snapping head (11), and sand setting tail pipe (13) bottom is equipped with plug (14); Expansion tube (5) upper diameter is less than lower diameter, and its changeover portion is the taper table top, and sulfuration seal (6) is installed on the top outer tube wall of expansion tube (5); Expansion-head (7) is connected on the taper table top of expansion tube (5) changeover portion, in the annular space of expansion tube (5) and sand setting tail pipe (13) sealing ring (12) is installed;
The wedge deflection tool of windowing mills awl (15), leads italic (17) by windowing, connecting rod (18) and guiding insertion rod (20) are formed, window and mill awl (15) and lead italic (17) and connect by shear pin (16), lead italic (17), connecting rod (18), guiding insertion rod (20) is threaded successively and forms, and is provided with fastening key (19) on connecting rod (18).
2. a kind of window sidetracking device according to claim 1 is characterized in that: expansion tube (5) top is the horn mouth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120078849 CN201991444U (en) | 2011-03-23 | 2011-03-23 | Windowing and sidetrack drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120078849 CN201991444U (en) | 2011-03-23 | 2011-03-23 | Windowing and sidetrack drilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201991444U true CN201991444U (en) | 2011-09-28 |
Family
ID=44667934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120078849 Expired - Lifetime CN201991444U (en) | 2011-03-23 | 2011-03-23 | Windowing and sidetrack drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201991444U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334711A (en) * | 2013-06-17 | 2013-10-02 | 中国石油集团长城钻探工程有限公司 | Electronically-controlled underground casing windowing tool |
| 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 |
| CN107905751A (en) * | 2017-12-14 | 2018-04-13 | 中国地震局地壳应力研究所 | A kind of down-hole mechanical couples positioner |
-
2011
- 2011-03-23 CN CN 201120078849 patent/CN201991444U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334711A (en) * | 2013-06-17 | 2013-10-02 | 中国石油集团长城钻探工程有限公司 | Electronically-controlled underground casing windowing tool |
| CN103334711B (en) * | 2013-06-17 | 2015-09-23 | 中国石油集团长城钻探工程有限公司 | Automatically controlled down-hole casing window opening tool |
| 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 |
| CN107905751A (en) * | 2017-12-14 | 2018-04-13 | 中国地震局地壳应力研究所 | A kind of down-hole mechanical couples positioner |
| CN107905751B (en) * | 2017-12-14 | 2023-09-15 | 应急管理部国家自然灾害防治研究院 | Underground mechanical coupling positioning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |
|
| CX01 | Expiry of patent term |