CN203515420U - One-time drilling inclination survey and windowing device - Google Patents
One-time drilling inclination survey and windowing device Download PDFInfo
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- CN203515420U CN203515420U CN201320576036.5U CN201320576036U CN203515420U CN 203515420 U CN203515420 U CN 203515420U CN 201320576036 U CN201320576036 U CN 201320576036U CN 203515420 U CN203515420 U CN 203515420U
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- setting sleeve
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Abstract
The utility model relates to the technical field of inclination survey and windowing devices, in particular to a one-time drilling inclination survey and windowing device. The device comprises a windowing taper mill, a whipstock, a center pipe, an upper setting sleeve and a lower setting sleeve, wherein the outer side of the lower end of the windowing taper mill is fixedly connected with the inner side of the upper end of the whipstock as a whole, the inner side of the lower end of the windowing taper mill is fixedly connected with the outer side of the upper end of the center pipe as a whole, the outer side of the lower end of the whipstock is fixedly connected with the inner side of the upper end of the upper setting sleeve as a whole, the inner side of the lower end of the upper setting sleeve is fixedly connected with the outer side of the upper end of the lower setting sleeve as a whole, the inner side of the lower end of the lower setting sleeve is fixedly provided with an expansion cone through bearing screws, the expansion cone and the lower end of the center pipe are fixed together, and the upper portion of the upper setting sleeve is fixedly provided with no less than two upper slips capable of extending outwards. The one-time drilling inclination survey and windowing device is reasonable and compact in structure and convenient to use, in the inclination survey and windowing processes, an inclined survey device and a windowing tool can be placed in a well at a time to finish inclined survey work and windowing work, the drilling cycle is shortened, and drilling cost is saved.
Description
Technical field
the utility model relates to deviational survey windowing facility technical field, is to bore deviational survey windowing facility a kind of one time.
Background technology
casing Sidetracking Technology is the important means that old well is resumed production, and it can improve the recovery ratio of old well, increases the upper object of producing of oil, and obtain significant economic benefit thereby reach.The directional sidetracking technology of windowing directly determines that old well resumes production and heavily bores the success or failure of operation in drillng operation.At present in conventional windowing task, conventionally need to first be lowered to whipstock and gyro carries out deviational survey operation, then trip out gyro and send the drilling tool of whipstock, finally be lowered to the instruments such as windowing milling wimble and carry out windowing task, make the drilling period of conventional windowing task longer, drilling cost is higher.
Summary of the invention
the utility model provides and has bored deviational survey windowing facility a kind of one time, overcome the deficiency of above-mentioned prior art, it can effectively solve being lowered to after inclination measurement device completes deviational survey operation that existing deviational survey windowing facility exists in deviational survey is windowed process must trip out inclination measurement device, then is lowered to the problem that window opening tool carries out windowing task.
the technical solution of the utility model realizes by following measures: bore deviational survey windowing facility a kind of one time, comprise windowing milling wimble, whipstock, central tube, upper setting sleeve and lower setting sleeve, outside, windowing milling wimble lower end is fixedly installed togather with inner side, whipstock upper end, inner side, windowing milling wimble lower end is fixedly installed togather with outside, central tube upper end, outside, whipstock lower end is fixed together with inner side, upper setting sleeve upper end, inner side, upper setting sleeve lower end is fixed together with outside, lower setting sleeve upper end, in the inner side, lower end of lower setting sleeve, by load-bearing screw, being installed with swollen envelope bores, swollen envelope cone is fixedly installed togather with central tube lower end, on the top of upper setting sleeve, be installed with the outwardly directed upper slips of also energy that is no less than two, in the bottom of upper setting sleeve, be installed with the outwardly directed lower slips of also energy that is no less than two, between the middle part of central tube and upper setting sleeve top, the upper piston cover that can move down is installed, upper piston cover bottom and upper slips are fixedly installed togather by the first shear pin, between upper piston set upper side and whipstock lower end, form upward pressure chamber, on central tube, there is the upper pressure transmission hole communicating with upward pressure chamber, between the bottom of central tube and upper setting sleeve bottom, the lower piston cover that can move up is installed, lower piston cover top and lower slips are fixedly installed togather by the second shear pin, between lower piston cover lower end and lower setting sleeve upper end, form downforce chamber, on central tube, there is the lower pressure transmission hole communicating with downforce chamber, in inner side, central tube lower end, be provided with ball seat, ball builds the pressure at the ball seat seat of honour, lower end at lower setting sleeve is fixed with guide shoe.
the further optimization and/or improvements to above-mentioned utility model technical scheme below:
can there be upper mounting groove in the outside, middle part of above-mentioned upper piston cover, in upper mounting groove, be fixed with retaining ring, in the arranged outside of upper retaining ring, there is the upper retaining latch of crown above toward the outer side, there is the upper latch matching with upper retaining latch upper setting sleeve inner side above upper slips, there is lower mounting groove in outside, middle part at lower piston cover, in lower mounting groove, be fixed with lower retaining ring, in the arranged outside of lower retaining ring, there is the lower retaining latch of crown below toward the outer side, there is the lower latch matching with lower retaining latch upper setting sleeve inner side below lower slips, the bottom of upper piston cover is frustum wide at the top and narrow at the bottom, upper slips is the frustum corresponding with upper piston cover bottom, the top of lower piston cover is up-narrow and down-wide frustum, lower slips is the frustum corresponding with lower piston cover top.
can there be the hole of sliding that is no less than two lower end of above-mentioned lower setting sleeve, the lower outside of swollen envelope cone have can be in sliding hole axially movable projection, in swollen envelope cone lower inside, be provided with the limited impression that is no less than two, central tube arranged outside have can be corresponding with limited impression fixture block, on the lower setting sleeve corresponding with swollen envelope cone top, be provided with installing hole, swollen envelope cone top is installed with auxiliary slips by auxiliary shear pin, and auxiliary slips is positioned at installing hole.
can there be the only lower tooth that is no less than a row in the outside, middle part of above-mentioned upper slips along cross direction profiles, in the upper and lower of upper slips, is longitudinally distributed with the baffle teeth that is no less than row; There is the only lower tooth that is no less than a row in outside, middle part at lower slips along cross direction profiles, in the upper and lower of lower slips, be longitudinally distributed with the baffle teeth that is no less than row.
outside, above-mentioned windowing milling wimble lower end can be fixedly installed togather by rivet with inner side, whipstock upper end, in inner side, windowing milling wimble upper end, there is screw thread, in inner side, windowing milling wimble lower end, there is left hand thread, inner side, windowing milling wimble lower end is fixedly installed togather by left hand thread with outside, central tube upper end, outside, whipstock lower end is fixedly installed togather by screw thread with inner side, upper setting sleeve upper end, inner side, upper setting sleeve lower end is fixedly installed togather by screw thread with outside, lower setting sleeve upper end, and lower setting sleeve and guide shoe are fixedly installed togather by screw thread.
outside, above-mentioned central tube middle part with between whipstock lower inside, can have the sealing ring together with being no less than, in outside, central tube middle part, overlap between upper inner and have the sealing ring together with being no less than with upper piston, between the lower inside of overlapping with lower piston at central tube lower outside, there is the sealing ring together with being no less than, between central tube lower outside and inner side, lower setting sleeve middle part, there is the sealing ring together with being no less than, outside whipstock lower end with between inner side, upper setting sleeve upper end, there is the sealing ring together with being no less than, between upper piston cover upper outside and upper setting sleeve upper inner, there is the sealing ring together with being no less than, between lower piston cover lower outside and upper setting sleeve lower inside, there is the sealing ring together with being no less than, inside upper setting sleeve lower end with between outside, lower setting sleeve upper end, there is the sealing ring together with being no less than.
the utility model reasonable and compact in structure, easy to use, it is windowed in process at deviational survey, can be lowered to inclination measurement device one time and window opening tool completes deviational survey operation and windowing task, has shortened drilling period, has saved drilling cost.
Accompanying drawing explanation
accompanying drawing 1 is looked half section structural representation for the master on the utility model most preferred embodiment top.
accompanying drawing 2 is looked half section structural representation for the master of the utility model most preferred embodiment bottom.
accompanying drawing 3 is the structure for amplifying schematic diagram at A place in accompanying drawing 2.
accompanying drawing 4 is the structure for amplifying schematic diagram at B place in accompanying drawing 2.
accompanying drawing 5 is the structure for amplifying schematic diagram at C place in accompanying drawing 2.
accompanying drawing 6 is the sectional structure schematic diagram at A-A place in accompanying drawing 2.
coding in accompanying drawing is respectively: 1 is windowing milling wimble, 2 is whipstock, pipe centered by 3, 4 is upper setting sleeve, 5 is lower setting sleeve, 6 is upper slips, 7 is lower slips, 8 is upper piston cover, 9 is the first shear pin, 10 is upward pressure chamber, 11 is upper pressure transmission hole, 12 is lower piston cover, 13 is the second shear pin, 14 is downforce chamber, 15 is lower pressure transmission hole, 16 is the ball that builds the pressure, 17 is load-bearing screw, 18 is swollen envelope cone, 19 is guide shoe, 20 is upper retaining ring, 21 is lower retaining ring, 22 for sliding hole, 23 is projection, 24 is limited impression, 25 is fixture block, lower tooth till 26, 27 is baffle teeth, 28 is sealing ring, 29 is auxiliary shear pin, 30 is auxiliary slips, 31 is upper latch, 32 is lower latch, 33 is rivet.
The specific embodiment
the utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description 1.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1 to 6, bore deviational survey windowing facility this time and comprise windowing milling wimble 1, whipstock 2, central tube 3, upper setting sleeve 4 and lower setting sleeve 5, windowing milling wimble 1 outside, lower end is fixedly installed togather with whipstock 2 inner sides, upper end, windowing milling wimble 1 inner side, lower end is fixedly installed togather with central tube 3 outsides, upper end, whipstock 2 outsides, lower end are fixed together with upper setting sleeve 4 inner sides, upper end, upper setting sleeve 4 inner sides, lower end are fixed together with lower setting sleeve 5 outsides, upper end, inner side, lower end at lower setting sleeve 5 is installed with swollen envelope cone 18 by load-bearing screw 17, swollen envelope cone 18 is fixedly installed togather with central tube 3 lower ends, on the top of upper setting sleeve 4, be installed with the outwardly directed upper slips 6 of also energy that is no less than two, in the bottom of upper setting sleeve 4, be installed with the outwardly directed lower slips 7 of also energy that is no less than two, the upper piston cover 8 that can move down is installed between the middle part of central tube 3 and upper setting sleeve 4 tops, upper piston overlaps 8 bottoms and upper slips 6 is fixedly installed togather by the first shear pin 9, at upper piston, overlap between 8 upper ends and whipstock 2 lower ends and form upward pressure chamber 10, on central tube 3, there is the upper pressure transmission hole 11 communicating with upward pressure chamber 10, the lower piston cover 12 that can move up is installed between the bottom of central tube 3 and upper setting sleeve 4 bottoms, lower piston overlaps 12 tops and lower slips 7 is fixedly installed togather by the second shear pin 13, at lower piston, overlap between 12 lower ends and lower setting sleeve 5 upper ends and form downforce chamber 14, on central tube 3, there is the lower pressure transmission hole 15 communicating with downforce chamber 14, in central tube 3 inner sides, lower end, be provided with ball seat, ball 16 builds the pressure at the ball seat seat of honour, in the lower end of lower setting sleeve 5, be fixed with guide shoe 19.Windowing milling wimble 1, whipstock 2 and swollen envelope cone 18 are existing known technology, on drilling tool, install in advance orientation joint and deviational survey seat sending into, the utility model is delivered to the position of windowing of design, from well head drilling tool inside, by wireline logging car, gyrolevel is delivered to deviational survey seat, rotation drilling tool determines the orientation of windowing, then trip out cable and gyrolevel, upper slips 6 and lower slips 7 under the thrust of upper piston cover 8 and lower piston cover 12 respectively protruding set in sleeve pipe after, remove the annexation of windowing milling wimble 1 and central tube 3, press down and send into drilling tool by downward whipstock 2 inside that advance of central tube 3, then with the inclined-plane on windowing milling wimble 1 and whipstock 2, carry out windowing task, thereby realize one time and bore deviational survey windowing function, shortened drilling period, saved drilling cost.
can according to actual needs, to above-mentioned one time, bore deviational survey windowing facility and make further optimization and/or improvements:
as shown in accompanying drawing 1 to 6, mounting groove on the outside, middle part of upper piston cover 8 has, in upper mounting groove, be fixed with retaining ring 20, in the arranged outside of upper retaining ring 20, there is the upper retaining latch of crown above toward the outer side, there is the upper latch 31 matching with upper retaining latch upper setting sleeve 4 inner sides above upper slips 6, there is lower mounting groove in outside, middle part at lower piston cover 12, in lower mounting groove, be fixed with lower retaining ring 21, in the arranged outside of lower retaining ring 21, there is the lower retaining latch of crown below toward the outer side, there is the lower latch 32 matching with lower retaining latch upper setting sleeve 4 inner sides below lower slips 7, the bottom of upper piston cover 8 is frustum wide at the top and narrow at the bottom, upper slips 6 is with upper piston and overlaps the corresponding frustum in 8 bottoms, the top of lower piston cover 12 is up-narrow and down-wide frustum, lower slips 7 is with lower piston and overlaps the corresponding frustum in 12 tops.The setting of upper retaining latch, upper latch 31, lower retaining latch and lower latch 32 can upper piston overlap 8 and lower piston cover 12 processes of advancing in, after upper retaining latch and upper latch 31, lower retaining latch and lower latch 32 cooperatively interact between two, upper retaining ring 20 and lower retaining ring 21 can automatic homings, improved the effect that sets of upper slips 6 and lower slips 7.
as shown in accompanying drawing 1 to 6, in the lower end of lower setting sleeve 5, have be no less than two slide hole 22, lower outside at swollen envelope cone 18 has and can slide the interior axially movable projection 23 in hole 22, in swollen envelope, bore 18 lower inside and be provided with the limited impression 24 that is no less than two, central tube 3 arranged outside have can be corresponding with limited impression 24 fixture block 25, boring on the corresponding lower setting sleeve 5 in 18 tops and be provided with installing hole with swollen envelope, swollen envelope is bored 18 tops and is installed with auxiliary slips 30 by auxiliary shear pin 29, and auxiliary slips 30 is positioned at installing hole.After load-bearing screw 17 is cut off, the setting of fixture block 25 can be in the up process of central tube 3, drive swollen envelope to bore 18 up, make central tube 3 or swollen envelope cone 18 that axially-movable can not occur separately, and can limit relatively rotating between central tube 3 and swollen envelope cone 18; The further raising that arranges of auxiliary slips 30 sets effect.
as shown in accompanying drawing 1 to 6, in the outside, middle part of upper slips 6, along cross direction profiles, there is the only lower tooth 26 that is no less than a row, in the upper and lower of upper slips 6, be longitudinally distributed with the baffle teeth 27 that is no less than row; There is the only lower tooth 26 that is no less than a row in outside, middle part at lower slips 7 along cross direction profiles, be longitudinally distributed with the baffle teeth 27 that is no less than row in the upper and lower of lower slips 7.Only the setting of lower tooth 26 can prevent from, after upper slips 6 and lower slips 7 from setting, downglide motion occurs, and the setting of baffle teeth 27 can prevent from sleeve pipe, rotating after upper slips 6 and lower slips 7 from setting, and has improved the effect setting.
as shown in accompanying drawing 1 to 6, windowing milling wimble 1 outside, lower end is fixedly installed togather by rivet 33 with whipstock 2 inner sides, upper end, in windowing milling wimble 1 inner side, upper end, there is screw thread, in windowing milling wimble 1 inner side, lower end, there is left hand thread, windowing milling wimble 1 inner side, lower end is fixedly installed togather by left hand thread with central tube 3 outsides, upper end, whipstock 2 outsides, lower end are fixedly installed togather by screw thread with upper setting sleeve 4 inner sides, upper end, upper setting sleeve 4 inner sides, lower end are fixedly installed togather by screw thread with lower setting sleeve 5 outsides, upper end, lower setting sleeve 5 is fixedly installed togather by screw thread with guide shoe 19.
as shown in accompanying drawing 1 to 6, outside central tube 3 middle parts with between whipstock 2 lower inside, there is the sealing ring 28 together with being no less than, in central tube 3 middle parts outsides, overlap and between 8 upper inner, have the sealing ring 28 together with being no less than with upper piston, between the lower inside of central tube 3 lower outsides and lower piston cover 12, there is the sealing ring 28 together with being no less than, between central tube 3 lower outsides and lower setting sleeve 5 inner sides, middle parts, there is the sealing ring 28 together with being no less than, outside whipstock 2 lower ends with between upper setting sleeve 4 inner sides, upper ends, there is the sealing ring 28 together with being no less than, between overlapping 8 upper outside and upper setting sleeve 4 upper inner, upper piston has the sealing ring 28 together with being no less than, between overlapping 12 lower outsides and upper setting sleeve 4 lower inside, lower piston has the sealing ring 28 together with being no less than, inside upper setting sleeve 4 lower ends with between lower setting sleeve 5 outsides, upper ends, there is the sealing ring 28 together with being no less than.The setting of sealing ring 28 can improve sealing effectiveness of the present utility model.
above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
the use procedure of the utility model most preferred embodiment: first, orientation joint and deviational survey seat are installed in advance sending on drilling tool, by windowing milling wimble 1 upper end with send into drilling tool and be fixedly installed togather by screw thread, again the utility model is delivered to the position of windowing of design, from well head drilling tool inside, by wireline logging car, gyrolevel is delivered to deviational survey seat, rotation drilling tool determines the orientation of windowing, then trip out cable and gyrolevel, and then the ball 16 that will build the pressure is sent in drilling tool, turn on pump send the ball 16 that builds the pressure, after the ball 16 that builds the pressure is sitting on ball seat, build the pressure, when central tube 3 internal pressures reach 20MPa, pressure fluid enters upward pressure chamber 10 and downforce chamber 14 by upper pressure transmission hole 11 and lower pressure transmission hole 15 respectively, pressure fluid in upward pressure chamber 10 promotes upper piston cover 8 and moves down, pressure fluid in downforce chamber 14 promotes lower piston cover 12 and moves up, when thrust reaches certain value, the first shear pin 9 and the second shear pin 13 are all cut off, upper piston cover 8 and lower piston cover 12 continue mobile, then upper slips 6 and lower slips 7 are all protruding under the effect of thrust, and be engaged on the inwall of upper strata sleeve pipe, repeatedly build the pressure for several times, complete the setting operation of whipstock 2, then, on carry 50KN, load-bearing screw 17 and rivet 33 are all cut off, swollen envelope cone 18 moves up under the drive of central tube 3 lower end fixture blocks 25, when auxiliary shear pin 29 is cut off, swollen envelope cone 18 continues to move up, and then auxiliary slips 30 is protruding under the promotion of swollen envelope cone 18, is engaged on the inwall of sleeve pipe, then the left hand thread of removing between windowing milling wimble 1 and central tube 3 connects, press down and send into propelling whipstock 2 inside, upper end that drilling tool pushes away central tube 3 downwards and make central tube 3, when the inclined-plane of whipstock 2 all exposes, finally utilize the inclined-plane on windowing milling wimble 1 and whipstock 2 to carry out windowing task.
Claims (10)
1. one kind is bored deviational survey windowing facility one time, it is characterized in that comprising windowing milling wimble, whipstock, central tube, upper setting sleeve and lower setting sleeve, outside, windowing milling wimble lower end is fixedly installed togather with inner side, whipstock upper end, inner side, windowing milling wimble lower end is fixedly installed togather with outside, central tube upper end, outside, whipstock lower end is fixed together with inner side, upper setting sleeve upper end, inner side, upper setting sleeve lower end is fixed together with outside, lower setting sleeve upper end, in the inner side, lower end of lower setting sleeve, by load-bearing screw, being installed with swollen envelope bores, swollen envelope cone is fixedly installed togather with central tube lower end, on the top of upper setting sleeve, be installed with the outwardly directed upper slips of also energy that is no less than two, in the bottom of upper setting sleeve, be installed with the outwardly directed lower slips of also energy that is no less than two, between the middle part of central tube and upper setting sleeve top, the upper piston cover that can move down is installed, upper piston cover bottom and upper slips are fixedly installed togather by the first shear pin, between upper piston set upper side and whipstock lower end, form upward pressure chamber, on central tube, there is the upper pressure transmission hole communicating with upward pressure chamber, between the bottom of central tube and upper setting sleeve bottom, the lower piston cover that can move up is installed, lower piston cover top and lower slips are fixedly installed togather by the second shear pin, between lower piston cover lower end and lower setting sleeve upper end, form downforce chamber, on central tube, there is the lower pressure transmission hole communicating with downforce chamber, in inner side, central tube lower end, be provided with ball seat, ball builds the pressure at the ball seat seat of honour, lower end at lower setting sleeve is fixed with guide shoe.
2. bore deviational survey windowing facility one time according to claim 1, there is upper mounting groove in the outside, middle part that it is characterized in that upper piston cover, in upper mounting groove, be fixed with retaining ring, in the arranged outside of upper retaining ring, there is the upper retaining latch of crown above toward the outer side, there is the upper latch matching with upper retaining latch upper setting sleeve inner side above upper slips, there is lower mounting groove in outside, middle part at lower piston cover, in lower mounting groove, be fixed with lower retaining ring, in the arranged outside of lower retaining ring, there is the lower retaining latch of crown below toward the outer side, there is the lower latch matching with lower retaining latch upper setting sleeve inner side below lower slips, the bottom of upper piston cover is frustum wide at the top and narrow at the bottom, upper slips is the frustum corresponding with upper piston cover bottom, the top of lower piston cover is up-narrow and down-wide frustum, lower slips is the frustum corresponding with lower piston cover top.
3. bore deviational survey windowing facility one time according to claim 1 and 2, there is the hole of sliding that is no less than two lower end that it is characterized in that lower setting sleeve, the lower outside of swollen envelope cone have can be in sliding hole axially movable projection, in swollen envelope cone lower inside, be provided with the limited impression that is no less than two, central tube arranged outside have can be corresponding with limited impression fixture block, on the lower setting sleeve corresponding with swollen envelope cone top, be provided with installing hole, swollen envelope cone top is installed with auxiliary slips by auxiliary shear pin, and auxiliary slips is positioned at installing hole.
4. bore deviational survey windowing facility one time according to claim 1 and 2, it is characterized in that there is the only lower tooth that is no less than a row in the outside, middle part of upper slips along cross direction profiles, in the upper and lower of upper slips, be longitudinally distributed with the baffle teeth that is no less than row; There is the only lower tooth that is no less than a row in outside, middle part at lower slips along cross direction profiles, in the upper and lower of lower slips, be longitudinally distributed with the baffle teeth that is no less than row.
5. bore deviational survey windowing facility one time according to claim 3, it is characterized in that there is the only lower tooth that is no less than a row in the outside, middle part of upper slips along cross direction profiles, in the upper and lower of upper slips, be longitudinally distributed with the baffle teeth that is no less than row; There is the only lower tooth that is no less than a row in outside, middle part at lower slips along cross direction profiles, in the upper and lower of lower slips 7, be longitudinally distributed with the baffle teeth that is no less than row.
6. bore deviational survey windowing facility one time according to claim 1 and 2, it is characterized in that outside, windowing milling wimble lower end and inner side, whipstock upper end are fixedly installed togather by rivet, in inner side, windowing milling wimble upper end, there is screw thread, in inner side, windowing milling wimble lower end, there is left hand thread, inner side, windowing milling wimble lower end is fixedly installed togather by left hand thread with outside, central tube upper end, outside, whipstock lower end is fixedly installed togather by screw thread with inner side, upper setting sleeve upper end, inner side, upper setting sleeve lower end is fixedly installed togather by screw thread with outside, lower setting sleeve upper end, lower setting sleeve and guide shoe are fixedly installed togather by screw thread.
7. bore deviational survey windowing facility one time according to claim 3, it is characterized in that outside, windowing milling wimble lower end and inner side, whipstock upper end are fixedly installed togather by rivet, in inner side, windowing milling wimble upper end, there is screw thread, in inner side, windowing milling wimble lower end, there is left hand thread, inner side, windowing milling wimble lower end is fixedly installed togather by left hand thread with outside, central tube upper end, outside, whipstock lower end is fixedly installed togather by screw thread with inner side, upper setting sleeve upper end, inner side, upper setting sleeve lower end is fixedly installed togather by screw thread with outside, lower setting sleeve upper end, lower setting sleeve and guide shoe are fixedly installed togather by screw thread.
8. bore deviational survey windowing facility one time according to claim 4, it is characterized in that outside, windowing milling wimble lower end and inner side, whipstock upper end are fixedly installed togather by rivet, in inner side, windowing milling wimble upper end, there is screw thread, in inner side, windowing milling wimble lower end, there is left hand thread, inner side, windowing milling wimble lower end is fixedly installed togather by left hand thread with outside, central tube upper end, outside, whipstock lower end is fixedly installed togather by screw thread with inner side, upper setting sleeve upper end, inner side, upper setting sleeve lower end is fixedly installed togather by screw thread with outside, lower setting sleeve upper end, lower setting sleeve and guide shoe are fixedly installed togather by screw thread.
9. bore deviational survey windowing facility one time according to claim 5, it is characterized in that outside, windowing milling wimble lower end and inner side, whipstock upper end are fixedly installed togather by rivet, in inner side, windowing milling wimble upper end, there is screw thread, in inner side, windowing milling wimble lower end, there is left hand thread, inner side, windowing milling wimble lower end is fixedly installed togather by left hand thread with outside, central tube upper end, outside, whipstock lower end is fixedly installed togather by screw thread with inner side, upper setting sleeve upper end, inner side, upper setting sleeve lower end is fixedly installed togather by screw thread with outside, lower setting sleeve upper end, lower setting sleeve and guide shoe are fixedly installed togather by screw thread.
10. bore deviational survey windowing facility one time according to claim 9, it is characterized in that outside, central tube middle part and between whipstock lower inside, have the sealing ring together with being no less than, in outside, central tube middle part, overlap between upper inner and have the sealing ring together with being no less than with upper piston, between the lower inside of overlapping with lower piston at central tube lower outside, there is the sealing ring together with being no less than, between central tube lower outside and inner side, lower setting sleeve middle part, there is the sealing ring together with being no less than, outside whipstock lower end with between inner side, upper setting sleeve upper end, there is the sealing ring together with being no less than, between upper piston cover upper outside and upper setting sleeve upper inner, there is the sealing ring together with being no less than, between lower piston cover lower outside and upper setting sleeve lower inside, there is the sealing ring together with being no less than, inside upper setting sleeve lower end with between outside, lower setting sleeve upper end, there is the sealing ring together with being no less than.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576036.5U CN203515420U (en) | 2013-09-17 | 2013-09-17 | One-time drilling inclination survey and windowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576036.5U CN203515420U (en) | 2013-09-17 | 2013-09-17 | One-time drilling inclination survey and windowing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515420U true CN203515420U (en) | 2014-04-02 |
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ID=50374367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320576036.5U Expired - Lifetime CN203515420U (en) | 2013-09-17 | 2013-09-17 | One-time drilling inclination survey and windowing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931591A (en) * | 2020-07-13 | 2022-01-14 | 中国海洋石油集团有限公司 | Whipstock with recyclable top and use method thereof |
-
2013
- 2013-09-17 CN CN201320576036.5U patent/CN203515420U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931591A (en) * | 2020-07-13 | 2022-01-14 | 中国海洋石油集团有限公司 | Whipstock with recyclable top and use method thereof |
| CN113931591B (en) * | 2020-07-13 | 2023-09-01 | 中国海洋石油集团有限公司 | Top-recyclable whipstock and application method thereof |
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