CN102330550A - Drifting tubular column carrying bidirectional-moving caliper for horizontal open-hole wells - Google Patents
Drifting tubular column carrying bidirectional-moving caliper for horizontal open-hole wells Download PDFInfo
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- CN102330550A CN102330550A CN201110314953A CN201110314953A CN102330550A CN 102330550 A CN102330550 A CN 102330550A CN 201110314953 A CN201110314953 A CN 201110314953A CN 201110314953 A CN201110314953 A CN 201110314953A CN 102330550 A CN102330550 A CN 102330550A
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- potentiometer
- gage beam
- push rod
- caliper
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Abstract
The invention relates to a drifting tubular column carrying bidirectional-moving caliper for horizontal open-hole wells, which comprises an outer sleeve, a caliper body, a measuring arm, an auxiliary measuring arm, a potentiometer sliding mechanism, a measuring-arm sliding mechanism, a measuring-arm actuated spring lamination and a measuring-arm trigger mechanism. Under the condition of being carried by a drifting tubular column, with the lifting and descending of the drifting tubular column, the caliper provided by the invention can be subjected to bidirectional movement on horizontal open-hole well sections, and can be triggered underground; and the mechanical structure of the invention also can prevent key components such as well-diameter measuring arms, measuring-arm push rods and potentiometers and the like from damage, thereby improving the underground operating reliability of the caliper and prolonging the service life of the instrument. The caliper provided by the invention has a bidirectional movement capacity, and the structure of the caliper effectively protects the measuring arm and internal components, therefore, the caliper can be widely applied to the diameter measurement of horizontal open-hole wells.
Description
Technical field
The present invention relates to the two-way mobile and horizontal bore hole of a kind of drifting tubing string portable type caliper, belong to the oil reservoir logging technical field.
Background technology
Along with the development of nearest 2 years horizontal well bore hole oil recovery techniques, its net horizontal section changes barefoot completion into by cased hole completion, and its horizontal segment hole diameter is the complex spatial variable-diameter structure.In the open hole well oil recovery process, need be lowered to multiple downhole tools such as packer to the bore hole section, need accurately know the optimum position of the instrument that descends and the open hole well gauge structure at the instrument place that descends.Therefore, an essential job of bore hole section hole diameter test becoming.Because traditional coiled tubing carries the mode expensive, one-time investment is up to several ten million yuan, so be badly in need of the new equipment that exploitation is suitable for the test of open hole well hole diameter.The present invention proposes to utilize this free resource of drifting tubing string in the drifting operation process to carry out the task of carrying of bore hole caliper; Yet; The drifting tubing string also has the action of transferring last carrying in the process, the gage beam that needs to launch has the kinetics compliance that moves up and down, and need protect gage beam and associated components; Need that invention is a kind of can either move in that horizontal bare hole well section is two-way badly, can protect the caliper of gage beam and associated components again.
Summary of the invention
The objective of the invention is to defective, the two-way mobile and horizontal bore hole of a kind of drifting tubing string portable type caliper is provided to the prior art existence.The present invention can utilize in the drifting process drifting tubing string transfer and on carry and carry out the hole diameter test, adapt to the drifting tubing string and frequently move up and down, can solve and rely on coiled tubing to carry to carry out horizontal bare hole hole diameter testing cost problem of higher.The present invention is directed to the caliper work characteristics that the drifting tubing string carries; Having invented can either be two-way mobile in horizontal bare hole well section; Can protect the caliper of gage beam and associated components again, successfully solve the drifting tubing string and carried caliper and carry out the technical barrier that exists in the horizontal well bore hole hole diameter measuring process.
This caliper comprises that mainly outer sleeve, body, gage beam, subsidiary arm, potentiometer slide mechanism, gage beam slide mechanism, gage beam start spring leaf, gage beam trigger mechanism.The present invention can be under the situation that the drifting tubing string carries; Putting with rising of drifting tubing string also can be two-way mobile in horizontal bare hole well section; Frame for movement of the present invention also can protect critical components such as caliper logging arm, gage beam push rod and potentiometer to be without prejudice; Improve the reliability of caliper underground work, prolong the instrument life-span.The two-way mobile and horizontal bore hole of this drifting tubing string portable type caliper not only has two-way locomotivity, and its structure effectively protected gage beam and internal part, can be widely used in the caliper logging of horizontal well bore hole.
According to the foregoing invention design, the present invention adopts following technical proposals:
The two-way mobile and horizontal bore hole of a kind of drifting tubing string portable type caliper; Comprise that outer sleeve, body, gage beam, subsidiary arm, gage beam start spring leaf, slip protection mechanism, gage beam pre-tightening mechanism, trigger mechanism, it is characterized in that: said outer sleeve and body two ends are connected through bolt; Said slip protection mechanism slides in said body interior; Said gage beam upper end is hinged through pin with the lower end of said slip protection mechanism, and the upper end of said subsidiary arm and the lower end of said gage beam are hinged through pin; It is inboard through being bolted to said gage beam that said gage beam starts spring leaf, is used to start gage beam, prevents that gage beam is stuck; Said gage beam pre-tightening mechanism upper end is hinged through pin with said subsidiary arm lower end, and said gage beam pre-tightening mechanism opposite side is connected with trigger mechanism, and said gage beam pre-tightening mechanism is installed in said body interior; Said trigger mechanism is fixed on that body one end is used to trigger gage beam and the subsidiary arm opens.
Said slip protection mechanism by potentiometer move that cover, potentiometer power supply and storage area, potentiometer move the sleeve spring bar, the protection spring that slides, potentiometer move the cover termination and form.Said potentiometer moves cover inside and comprises potentiometer pusher, push rod sliding sleeve, push rod spring, potentiometer holder, potentiometer, potentiometer terminal stud, sealing ring, connection leather bag; Said push rod spring is installed between said potentiometer pusher and the push rod sliding sleeve; Said potentiometer pusher is close to said gage beam under said push rod spring effect, said potentiometer pusher and said pusher slide inner room have sealing ring; Said push rod sliding sleeve links to each other through being connected leather bag with said potentiometer holder, and said potentiometer is connected through bolt and potentiometer pusher, and said potentiometer terminal stud and potentiometer holder are connected; Said potentiometer power supply and storage area move cover with potentiometer and are connected through bolt, and said potentiometer power supply and storage area are made up of potentiometer store fixed seat, potentiometer power slot and storage area draw-in groove lid; Said potentiometer moves sleeve spring bar one end and is connected through bolt and said potentiometer power supply and storage area; Said potentiometer moves the sleeve spring bar other end and said potentiometer and moves the cover termination and be connected, and said potentiometer moves said slip protection spring is housed between sleeve spring bar and body.
Said gage beam pre-tightening mechanism is made up of gage beam push rod, gage beam push rod spring block, preloading spring, gage beam push rod loam cake; Said gage beam push rod and gage beam push rod spring block are connected; Said preloading spring is installed between said gage beam push rod spring block and said body, and said gage beam push rod loam cake is connected through bolt and said body.
The two-way mobile and horizontal bore hole of said drifting tubing string portable type caliper contains the said gage beam of quadruplet, subsidiary arm, gage beam startup spring leaf, slip protection mechanism, gage beam pre-tightening mechanism, and evenly distributes along said body circumference.
Said trigger mechanism, comprise trigger body, guiding valve, guiding valve sealing ring, suppress shear pin, suppress ball, suppress ball seat, suppress scotch, the seat of blocking, block; Said triggering body is connected on the outer sleeve through bolt, and there is cavity at said triggering body center; Said guiding valve is installed in said triggering body cavity inside, and said guiding valve sealing ring sealing is arranged between said guiding valve and triggering body, and fixes through the said shear pin of suppressing; The said said slide-valve surface of ball seat of suppressing is equipped with on said guiding valve top respectively has one section groove up and down.
The said scotch of suppressing passes through dowel fixes on said triggering body, and the said scotch head of suppressing withstands the guiding valve lower recess than shallow portion; Be equipped with on the said triggering body and suppress body loam cake and the said scotch loam cake of suppressing; The said said scotch of suppressing of scotch loam cake restriction of suppressing rotates counterclockwise, said triggering body interior space and said body loam cake, the said scotch loam cake formation slurry channel of suppressing suppressed; The said seat of blocking is installed on the said triggering body through screw, said blocking between said guiding valve and gage beam push rod, and be installed on the said seat of blocking, utilize said guiding valve external surface that said blocking is pressed in the said gage beam putting back-end groove.
The present invention has following conspicuous outstanding substantive distinguishing features and remarkable advantage compared with prior art:
The two-way mobile and horizontal bore hole of drifting tubing string portable type caliper can utilize the drifting tubing string to accomplish and carry task owing to taked such scheme, can trigger in the down-hole; Adapt to the frequent landing campaign of tubing string; Can under the two-way mobile situation of horizontal bare hole well section, resist the borehole wall and impact and extruding, critical components such as protection caliper logging arm, gage beam push rod, potentiometer are without prejudice; Improve the reliability of caliper underground work, prolong the instrument life-span.
Description of drawings
The two-way mobile and horizontal bore hole of Fig. 1 drifting tubing string portable type caliper master looks mechanism's sectional view.
The two-way mobile and horizontal bore hole of Fig. 2 drifting tubing string portable type caliper is analysed and observe partial enlarged drawing.
The two-way mobile and horizontal bore hole of Fig. 3 drifting tubing string portable type caliper flip flop equipment does not trigger state.
The two-way mobile and horizontal bore hole of Fig. 4 drifting tubing string portable type caliper flip flop equipment triggers state.
The specific embodiment
The preferred embodiments of the present invention accompanying drawings is following:
Embodiment one:
Referring to Fig. 1 ~ 2; The two-way mobile and horizontal bore hole of this drifting tubing string portable type caliper comprises that mainly outer sleeve 1, body 2, gage beam 11, subsidiary arm 13, gage beam start spring leaf 12, slip protection mechanism, gage beam pre-tightening mechanism, trigger mechanism 19, is characterized in that: said outer sleeve 1 is connected through bolt with body 2 two ends; Said slip protection mechanism is in said body 1 slides within; The lower end of said gage beam 11 upper ends and said slip protection mechanism is hinged through pin, and the lower end of the upper end of said subsidiary arm 13 and said gage beam 11 is hinged through pin; The upper end of the lower end of subsidiary arm 13 and said gage beam pre-tightening mechanism is hinged through pin; Said gage beam starts spring leaf 12 through being bolted to said gage beam 11 inboards, is used to start gage beam 11, prevents that gage beam 11 is stuck; The lower end of said gage beam pre-tightening mechanism is connected with said trigger mechanism 19, and said gage beam pre-tightening mechanism is installed in said body 2 inside; Said trigger mechanism 19 is fixed on said body 2 one ends to be used to trigger gage beam 11 and to open with subsidiary arm 13.
Embodiment two: present embodiment and embodiment one are basic identical, and special feature is:
Referring to Fig. 1 ~ 2, the said slip protection mechanism of the two-way mobile and horizontal bore hole of this drifting tubing string portable type caliper by potentiometer move that cover 21, potentiometer power supply and storage area 6, potentiometer move sleeve spring bar 4, the protection spring 5 that slides, potentiometer move cover termination 3 and form.Said potentiometer moves cover 21 inside and comprises potentiometer pusher 20, push rod sliding sleeve 28, push rod spring 27, potentiometer holder 23, potentiometer 24, potentiometer terminal stud 22, sealing ring 26, connects leather bag 25; Said push rod spring 27 is installed between said potentiometer pusher 20 and the push rod sliding sleeve 28; Said potentiometer pusher 20 is close to said gage beam 11 under said push rod spring 27 effects, said potentiometer pusher 20 and 28 of said push rod sliding sleeves have sealing ring 26; Said push rod sliding sleeve 28 links to each other through being connected leather bag 25 with said potentiometer holder 23, and said potentiometer 24 is connected through bolt and potentiometer pusher 20, and said potentiometer terminal stud 22 is connected with potentiometer holder 23; Said potentiometer power supply and storage area 6 and potentiometer move cover 21 and are connected through bolt, and said potentiometer power supply and storage area 6 cover 7 by potentiometer store fixed seat 9, potentiometer power slot 8 and storage area draw-in groove to be formed; Said potentiometer moves sleeve spring bar 4 one ends and is connected through bolt and said potentiometer power supply and storage area 6; Said potentiometer moves sleeve spring bar 4 other ends and said potentiometer and moves cover termination 3 and be connected, and said potentiometer moves sleeve spring bar 4 and with 2 of bodies said slip is housed and protects spring 5.
Embodiment three: present embodiment and embodiment one are basic identical, and special feature is:
Referring to Fig. 1 ~ 2; The said gage beam pre-tightening mechanism of the two-way mobile and horizontal bore hole of this drifting tubing string portable type caliper is made up of gage beam push rod 14, gage beam push rod spring block 15, preloading spring 17, gage beam push rod loam cake 16,18; Said gage beam push rod 14 is connected with gage beam push rod spring block 15; 2 of said gage beam push rod spring block 15 and said bodies are installed said preloading spring 17, and said gage beam push rod loam cake 16,18 is connected through bolt and said body 2.
Embodiment four: present embodiment and embodiment three are basic identical, and special feature is:
Referring to Fig. 1 ~ 2; The two-way mobile and horizontal bore hole of the two-way mobile and horizontal bore hole of this drifting tubing string portable type caliper said drifting tubing string portable type caliper contains the said gage beam of quadruplet 11, subsidiary arm 13, gage beam and starts spring leaf 12, slip protection mechanism, gage beam pre-tightening mechanism, and evenly distribute along said body 2 circumference.
Embodiment five:
Referring to Fig. 3 ~ 4, the said trigger mechanism 19 of the two-way mobile and horizontal bore hole of this drifting tubing string portable type caliper comprise trigger body 36, guiding valve 31, guiding valve sealing ring 30, suppress shear pin 43, suppress ball 37, suppress ball seat 38, suppress scotch 33, block 40, the seat 39 of blocking; Said triggering body 36 is connected on the outer sleeve 1 through bolt, and there is cavity at said triggering body 36 centers; Said guiding valve 31 is installed in said triggering body 36 cavity insides, and said guiding valve 31 and 36 of bodies of triggering have said guiding valve sealing ring 30 sealings, and fixes through the said shear pin 43 of suppressing; The said ball seat 38 of suppressing is equipped with on said guiding valve 31 tops, and said guiding valve 31 surfaces respectively have one section groove up and down.
Embodiment six: present embodiment and embodiment five are basic identical, and special feature is:
Referring to Fig. 3 ~ 4, the said scotch 33 of suppressing of the two-way mobile and horizontal bore hole of this drifting tubing string portable type caliper passes through dowel fixes on said triggering body 36, and said scotch 33 heads of suppressing withstand guiding valve 31 lower recess than shallow portion; Be equipped with on the said triggering body 36 and suppress body loam cake 32 and the said scotch loam cake 34 of suppressing, the said said scotch 33 of suppressing of scotch loam cake 34 restrictions of suppressing rotates counterclockwise; Said triggering body 36 internal voids and said body loam cake 32, the said scotch loam cake 34 formation slurry channels 35 of suppressing suppressed; The said seat 39 of blocking is installed on the said triggering body 36 through screw; Saidly block 40 between said guiding valve 31 and gage beam push rod 41; And be installed on the said seat 39 of blocking, utilize said guiding valve 31 external surfaces that said blocking 40 is pressed in the said gage beam push rod 41 rear end grooves.
The concrete course of work of the two-way mobile and horizontal bore hole of this drifting tubing string portable type caliper as follows (referring to Fig. 1 ~ Fig. 2):
1, at first outer sleeve 1 two ends of the two-way mobile and horizontal bore hole of drifting tubing string portable type caliper is connected on the tubing string; When tubing string is transferred to the appropriate location; To suppress ball 37 and lose in triggering body 36 internal cavities, and suppress ball 37 and will under the effect of gravity, move to the flip flop equipment place.Inject mud then, under the effect of mud, suppress ball 37 and will move to and suppress ball seat 38 places, seal 31 mouthfuls in guiding valve.
2, when increasing to, cuts off mud pressure suppressing shear pin 43; Guiding valve 31 will move to withstand under the mud effect and suppress scotch 33; Suppressing scotch 33 moves down to make in guiding valve 31 effect and suppresses scotch 33 upper end juts and block guiding valve 31 grooves, guiding valve 31 stop motions; Because the motion of guiding valve 31, blocking 40 moves in guiding valve 31 grooves in gage beam push rod 41 grooves, and then discharges gage beam push rod 41, and gage beam push rod 41 moves under the effect of spring force gage beam 11 is opened.After guiding valve 31 moved downward, mud will flow out through slurry channel 35, triggers end-of-job, and caliper test arm 11 is started working.
3, when hole diameter changes; Gage beam 11 is followed well radius variations and is rotated; Potentiometer pusher 30 is close to gage beam 11 under the effect of push rod spring 37; Gage beam 11 passes to potentiometer 34 with well radius variations through potentiometer pusher 30, and potentiometer power supply and storage area 6 are responsible for to potentiometer 34 power supplies, and the data that potentiometer 34 is gathered are stored.
4, the two-way mobile and horizontal bore hole of drifting tubing string portable type caliper is followed tubing string when moving upward, and is big if hole diameter becomes suddenly, gage beam 11 can utilize its contour structures smoothly through and gather the hole diameter data, can not impact inside; When integral body moves downward; If hole diameter diminishes suddenly; The borehole wall can cause extruding and impact horizontal bare hole caliper gage beam 11, and gage beam 11 will push again or impact force is delivered to protection spring 5 places of sliding, and play the effect of parts such as buffer protection gage beam 11 and potentiometer 34; So the two-way mobile and horizontal bore hole of drifting tubing string portable type caliper not only can be two-way mobile in horizontal bare hole well section, can also effectively protect parts such as gage beam 11 and potentiometer 34.
Claims (6)
1. the two-way mobile and horizontal bore hole of drifting tubing string portable type caliper; Comprise that outer sleeve (1), body (2), gage beam (11), subsidiary arm (13), gage beam start spring leaf (12), slip protection mechanism, gage beam pre-tightening mechanism, trigger mechanism (19), it is characterized in that: said outer sleeve (1) is connected through bolt with body (2) two ends; Said slip protection mechanism is in said body (1) slides within; Said gage beam (11) upper end is hinged through pin with the lower end of said slip protection mechanism, and the lower end of the upper end of said subsidiary arm (13) and said gage beam (11) is hinged through pin; The lower end of subsidiary arm (13) and the upper end of said gage beam pre-tightening mechanism are hinged through pin; Said gage beam starts spring leaf (12) through being bolted to said gage beam (11) inboard, is used to start gage beam (11), prevents that gage beam (11) is stuck; The lower end of said gage beam pre-tightening mechanism is connected with said trigger mechanism (19), and said gage beam pre-tightening mechanism is installed in said body (2) inside; Said trigger mechanism (19) is fixed on that said body (2) one ends are used to trigger gage beam (11) and subsidiary arm (13) opens.
2. the two-way mobile and horizontal bore hole of drifting tubing string portable type according to claim 1 caliper is characterized in that: said slip protection mechanism by potentiometer move that cover (21), potentiometer power supply and storage area (6), potentiometer move sleeve spring bar (4), the protection spring (5) that slides, potentiometer move cover termination (3) and form; Said potentiometer moves cover (21) inside and comprises potentiometer pusher (20), push rod sliding sleeve (28), push rod spring (27), potentiometer holder (23), potentiometer (24), potentiometer terminal stud (22), sealing ring (26), connects leather bag (25); Said push rod spring (27) is installed between said potentiometer pusher (20) and the push rod sliding sleeve (28); Said potentiometer pusher (20) is close to said gage beam (11) under said push rod spring (27) effect, between said potentiometer pusher (20) and said push rod sliding sleeve (28) sealing ring (26) is arranged; Said push rod sliding sleeve (28) links to each other through being connected leather bag (25) with said potentiometer holder (23), and said potentiometer (24) is connected through bolt and potentiometer pusher (20), and said potentiometer terminal stud (22) is connected with potentiometer holder (23); Said potentiometer power supply and storage area (6) move cover (21) with potentiometer and are connected through bolt, and said potentiometer power supply and storage area (6) are made up of potentiometer store fixed seat (9), potentiometer power slot (8) and storage area draw-in groove lid (7); Said potentiometer moves sleeve spring bar (4) one ends and is connected through bolt and said potentiometer power supply and storage area (6); Said potentiometer moves sleeve spring bar (4) other end and said potentiometer and moves cover termination (3) and be connected, and said potentiometer moves and said slip is housed between sleeve spring bar (4) and body (2) protects spring (5).
3. the two-way mobile and horizontal bore hole of drifting tubing string portable type according to claim 1 caliper; It is characterized in that: said gage beam pre-tightening mechanism is made up of gage beam push rod (14), gage beam push rod spring block (15), preloading spring (17), gage beam push rod loam cake (16,18); Said gage beam push rod (14) is connected with gage beam push rod spring block (15); Said preloading spring (17) is installed between said gage beam push rod spring block (15) and said body (2), and said gage beam push rod loam cake (16,18) is connected through bolt and said body (2).
4. the two-way mobile and horizontal bore hole of drifting tubing string portable type according to claim 1 caliper; It is characterized in that: the two-way mobile and horizontal bore hole of said drifting tubing string portable type caliper contains the said gage beam of quadruplet (11), subsidiary arm (13), gage beam startup spring leaf (12), slip protection mechanism, gage beam pre-tightening mechanism, and evenly distributes along said body (2) circumference.
5. the two-way mobile and horizontal bore hole of drifting tubing string portable type according to claim 1 caliper; It is characterized in that: said trigger mechanism, comprise trigger body (36), guiding valve (31), guiding valve sealing ring (30), suppress shear pin (43), suppress ball (37), suppress ball seat (38), suppress scotch (33), block (40), the seat (39) of blocking; Said triggering body (36) is connected on the outer sleeve (1) through bolt, and there is cavity at said triggering body (36) center; Said guiding valve (31) is installed in said triggering body (36) cavity inside, and said guiding valve sealing ring (30) sealing is arranged between said guiding valve (31) and triggering body (36), and fixes through the said shear pin (43) of suppressing; The said ball seat (38) of suppressing is equipped with on said guiding valve (31) top, and said guiding valve (31) surface respectively has one section groove up and down.
6. the two-way mobile and horizontal bore hole of drifting tubing string portable type according to claim 5 caliper; It is characterized in that: the said scotch (33) of suppressing passes through dowel fixes on said triggering body (36), and said scotch (33) head of suppressing withstands guiding valve (31) lower recess than shallow portion; Be equipped with on the said triggering body (36) and suppress body loam cake (32) and the said scotch loam cake (34) of suppressing, the said said scotch (33) of suppressing of scotch loam cake (34) restriction of suppressing rotates counterclockwise; Said triggering body (36) internal voids and said body loam cake (32), said scotch loam cake (34) the formation slurry channel (35) of suppressing suppressed; The said seat (39) of blocking is installed on the said triggering body (36) through screw; Said blocking (40) is positioned between said guiding valve (31) and the gage beam push rod (41); And be installed on the said seat (39) of blocking, utilize said guiding valve (31) external surface that said blocking (40) is pressed in the groove of said gage beam push rod (41) rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110314953.1A CN102330550B (en) | 2011-10-18 | 2011-10-18 | Drifting tubular column carrying bidirectional-moving caliper for horizontal open-hole wells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110314953.1A CN102330550B (en) | 2011-10-18 | 2011-10-18 | Drifting tubular column carrying bidirectional-moving caliper for horizontal open-hole wells |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102330550A true CN102330550A (en) | 2012-01-25 |
| CN102330550B CN102330550B (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110314953.1A Expired - Fee Related CN102330550B (en) | 2011-10-18 | 2011-10-18 | Drifting tubular column carrying bidirectional-moving caliper for horizontal open-hole wells |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005754A (en) * | 2014-05-26 | 2014-08-27 | 上海大学 | Horizontal open hole well diameter ultrasonic measuring instrument carried by pigging tubular column |
| CN113653453A (en) * | 2021-08-18 | 2021-11-16 | 中石化石油工程技术服务有限公司 | Downhole reducing environment self-adaptive adjusting device of tractor and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4243099A (en) * | 1978-05-24 | 1981-01-06 | Schlumberger Technology Corporation | Selectively-controlled well bore apparatus |
| CN101131089A (en) * | 2006-08-23 | 2008-02-27 | 中国石油天然气集团公司 | Push-pull type multi-arm righting hole diameter micrologging instrument |
| CN201326413Y (en) * | 2008-11-19 | 2009-10-14 | 陈耕 | Combined well logging probe |
| CN102155215A (en) * | 2011-05-05 | 2011-08-17 | 沈阳新锦石油设备有限公司 | Horizontal well dual caliper |
-
2011
- 2011-10-18 CN CN201110314953.1A patent/CN102330550B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4243099A (en) * | 1978-05-24 | 1981-01-06 | Schlumberger Technology Corporation | Selectively-controlled well bore apparatus |
| CN101131089A (en) * | 2006-08-23 | 2008-02-27 | 中国石油天然气集团公司 | Push-pull type multi-arm righting hole diameter micrologging instrument |
| CN201326413Y (en) * | 2008-11-19 | 2009-10-14 | 陈耕 | Combined well logging probe |
| CN102155215A (en) * | 2011-05-05 | 2011-08-17 | 沈阳新锦石油设备有限公司 | Horizontal well dual caliper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005754A (en) * | 2014-05-26 | 2014-08-27 | 上海大学 | Horizontal open hole well diameter ultrasonic measuring instrument carried by pigging tubular column |
| CN113653453A (en) * | 2021-08-18 | 2021-11-16 | 中石化石油工程技术服务有限公司 | Downhole reducing environment self-adaptive adjusting device of tractor and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102330550B (en) | 2014-01-15 |
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Granted publication date: 20140115 Termination date: 20161018 |