CN202596700U - Single sidewall contact device for micro-spherically focused tool - Google Patents
Single sidewall contact device for micro-spherically focused tool Download PDFInfo
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- CN202596700U CN202596700U CN 201220024679 CN201220024679U CN202596700U CN 202596700 U CN202596700 U CN 202596700U CN 201220024679 CN201220024679 CN 201220024679 CN 201220024679 U CN201220024679 U CN 201220024679U CN 202596700 U CN202596700 U CN 202596700U
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- sidewall contact
- logging tool
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- telescoping ram
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Abstract
The utility model discloses a single sidewall contact device for a micro-spherically focused tool. The single sidewall contact device is designed for satisfying various well logging requirements for oil vertical wells, horizontal wells and deviated wells, and comprises a single push type plane four-bar mechanism composed of an upper arm, a counter electrode assembly, a sidewall contact inner arm and a sidewall contact main body, a wear-resisting bearing connecting a support body and a guide rail, a slider-crank mechanism composed of a slide block, a joint and a L-shaped short arm of the sidewall contact inner arm, a compact screw tube close to the slide block and connected with a screw, a sidewall contact spring sleeved on the compact screw tube and the screw, and so on. The single sidewall contact device can be used to satisfy various well logging requirements for oil vertical wells, horizontal wells and deviated wells, ensure the counter electrode to be moderately stressed and to have a long service life, reduce the situation where devices get stuck during logging, and obtain accurate hole diameter values. According to the device, interchanges of two operating modes of single and double sidewall contact devices can be realized through structural improvements on the basis of remaining each technical index of the device unchanged, thereby realizing several purposes served by one device, saving costs, expanding utilization range of the device, and meeting urgent requirements of oil well logging sites.
Description
Technical field
The utility model relates to a kind of micro-sphere focus logging tool list telescoping ram, belongs to the petroleum well logging technology field.
Background technology
Micro-sphere focus logging tool belongs to the microresistivity instrument, and being used to measure the stratum partly is the resistivity of flushed zone near the borehole wall, and whether its probe (pole plate) contacts good with the borehole wall, is the key that guarantees logging quality.This instrument is made up of electronics, transmission system, telescoping ram three parts usually, and telescoping ram can be divided into hydraulic sidewall contact device and mechanical pusher by the difference of power source.During well logging, be that pole plate is adjacent to the borehole wall with telescoping ram with instrument probe, to guarantee good logging effect.
No matter existing micro-sphere focus logging tool is hydraulic sidewall contact device or mechanical pusher; Two backup arms are all opened simultaneously or are drawn in; Hydraulic sidewall contact device (is seen shown in Figure 1; Pole plate wall 36, hydraulic pressure are with pole plate 37, massage shell 38 and countermure 39) the pole plate arm can only open a little about about 80mm, mainly be to open by auxiliary to push the pole plate arm to the borehole wall, the hydraulic sidewall contact device instrument during the measuring vertical well is in eccentric state.The pole plate of hydraulic sidewall contact device is installed on the very long rigid plate arm, no matter is peupendicular hole, inclined shaft and horizontal well, and when hole condition was irregular, pole plate all can not carry out angled flexible swing with borehole wall shape, can not guarantee that the pole plate and the borehole wall have good the contact.
Mechanical pusher (is seen shown in Figure 2; Pole plate assembly 7, thrust plate 11, motor 24, backup main body 25, upper arm 26, backup inner arm 27, connect save 28, contiguous block 29, hole diameter potentiometer 30, backup spring 31, back up plate 32, connect save 33 and backup inner arm 34) two arms be that symmetry is opened; Instrument is in the center during measuring vertical well, and pole plate can have the swing of certain angle with borehole wall shape.And when deviational survey well and horizontal well, the weight of instrument string makes pole plate not carry out angled swing with borehole wall shape, so that the pole plate electrode frame can not all touch the borehole wall well, thereby can not record resistivity value accurately.Because be that symmetry is opened and drawn in, so in horizontal well, back up plate (auxiliary) is followed the gathering of pole plate arm can't measure the hole diameter value.One Chinese patent application 200810141446.0 discloses a kind of four arm hole diameters, microballoon, microelectrode pushing device; Can measure hole diameter and microballoon microelectrode respectively, but the same with foregoing telescoping ram, microballoon pole plate arm and microelectrode arm two arms are that symmetry is opened, drawn in; Only be fit to survey peupendicular hole; When deviational survey well and horizontal well, have foregoing problem equally, and open caliper logging arm is met card easily in the down-hole.In addition, no matter on-the-spot well logging proof is hydraulic sidewall contact device or mechanical pusher, when deviational survey well and horizontal well, all can because of the weight of instrument string on rubber pad and quicken it and wear and tear, also can increase the chance card probability of instrument horizontal well operation simultaneously.
Summary of the invention
The purpose of the utility model is to provide a kind of micro-sphere focus logging tool list telescoping ram, and it can satisfy the different logging requirements of peupendicular hole, inclined shaft and horizontal well, guarantees that pole plate is stressed moderate, in irregular hole diameter, fits well with the borehole wall.
The concrete technology contents of the utility model is following:
Micro-sphere focus logging tool list telescoping ram is made up of a four-bar mechanism, a slider-crank mechanism and the wear-resisting supporting device with the four-bar mechanism interlock.
Be provided with single pushing-type four-bar linkage of forming by upper arm, pole plate assembly, L shaped backup inner arm and backup main body in micro-sphere focus logging tool list telescoping ram main body one side; Upper arm one end can be connected in main body around pin A rotary oscillation and by it, and the other end connects the pole plate assembly.L shaped backup inner arm galianconism end can be connected in main body around pin B rotary oscillation and by it, and long arm end is connected in the sliding tray of pole plate assembly by pin F.
Micro-sphere focus logging tool list telescoping ram main body opposite side one end connects stake body and the guide rail of being supported by wear-resisting supporting A, and the other end connects wear-resisting supporting B, and the extrados of guide rail is fitted with the intrados of stake body and is connected by screw.
Be provided with the thrust plate that connects motor and slide block in the micro-sphere focus logging tool list telescoping ram main body; Slide block can move along guide rail; The Lian Jieyi end connects slide block by pin D, and the other end connects L shaped backup inner arm galianconism by pin C, and promptly slide block, Lian Jie and L shaped backup inner arm galianconism are formed slider-crank mechanism.Screwed pipe one end that compresses of suit force-regulating pad is close to slide block, and the other end is threaded and is located at the screw rod on the spring base, is with the backup spring on screwed pipe and the screw rod compressing.
The hole diameter potentiometer is located at body end, and its piston rod is attached at the screw rod end face.
The utility model can satisfy the different logging requirements of peupendicular hole, inclined shaft and horizontal well, reduces well logging and meets card, guarantees the application life of pole plate.When surveying horizontal well and inclined shaft; Do not adopt traditional pole plate to be close to the logging mode of horizontal well lower wall; But adopt pole plate to be close to the logging mode of horizontal well upper wall first, and make the backup power that acts on the pole plate not receive the influence of instrument string weight, can guarantee that pole plate is stressed moderate; In irregular hole diameter, can keep good applying, thereby obtain hole diameter value accurately with the borehole wall.In addition, the utility model is being guaranteed under the constant prerequisite of instrument each item technical indicator, through architecture advances; The exchange of two kinds of mode of operations of single, double telescoping ram can be realized, peupendicular hole can be surveyed, also can deviational survey well and horizontal well; Realize a tractor serves several purposes; Can practice thrift cost, the scope of application of expansion instrument satisfies the on-the-spot urgent demand of oil well logging.
Description of drawings
Fig. 1 is the hydraulic sidewall contact device structural representation.
Fig. 2 is the two telescoping ram structural representations of micro-sphere focus logging tool.
Fig. 3 is a micro-sphere focus logging tool list telescoping ram structural representation.
Fig. 4 is the A-A sectional view of stake body and guide rail structure.
The specific embodiment
Embodiment:
Embodiment with reference to Fig. 2 to 4 pair of the utility model further specifies:
The utility model logging instrument list telescoping ram mainly comprises pin A1, pin B2, pin C3, pin D4, upper arm 5, pin E6, pole plate assembly 7, backup inner arm 8, pin F9, main body 10, thrust plate 11, connect save 13, slide block 14, wear-resisting supporting A15, force-regulating pad 16, wear-resisting supporting B17, clamping screw 18 and screw rod 19, backup spring 20, spring base 21, stake body 22, guide rail 23, motor 24, hole diameter potentiometer 30 and piston rod 35.
On micro-sphere focus logging tool list telescoping ram main body 10 1 sides, be provided with single pushing-type four-bar linkage of forming by upper arm 5, pole plate assembly 7, L shaped backup inner arm 8 and backup main body 10; Upper arm 5 is provided with trough and reinforcing rib; The one of which end can be connected in main body 10 around pin A1 rotary oscillation and by it, and the other end connects pole plate assembly 7.Backup inner arm 8 is provided with reinforcing rib, and its galianconism end can be connected in main body 10 around pin B2 rotary oscillation and by it, and long arm end is connected in the sliding tray of pole plate assembly 7 and can in groove, slides by pin F9.Pole plate assembly 7 is probes of acquired signal, and when the borehole wall was irregular, pole plate assembly 7 and horizontal plane can have the swing of certain angle, make it can be close to the borehole wall better.
Connect the stake body of being supported by wear-resisting supporting A15 22 and guide rail 23 at micro-sphere focus logging tool list telescoping ram main body 10 opposite sides one end, the other end connects wear-resisting supporting B17.The inner arc surface of the exterior arc surface of guide rail 23 and stake body 22 is adjacent to and is affixed with screw 12, and the arc surface radius of wear-resisting supporting A15 and stake body 22 equates that the two arc surface all is sprayed with wear-resisting tungsten carbide coating.When measuring inclined shaft and horizontal well, be close to the well logging bottom surface by wear-resisting supporting A15 and B17, measure with 7 pairs of inclined shafts of pole plate assembly and horizontal well upper wall.
Be provided with the thrust plate 11 that connects motor 24 and slide block 14 in the micro-sphere focus logging tool list telescoping ram body 10; Slide block 14 can move along guide rail 23; Connect and save 13 1 ends by pin D4 connection slide block 14; The other end connects L shaped backup inner arm 8 galianconism by pin C3, promptly slide block 14, connect save 13, L shaped backup inner arm 8 galianconism form slider-crank mechanism.Screwed pipe 18 1 ends that compress of suit force-regulating pad 16 are close to slide block 14, and the other end is threaded and is located at the screw rod 19 on the spring base 21, are with backup spring 20 compressing on screwed pipe 18 and the screw rod 19.Compress screwed pipe 18 and make backup spring 20 produce precompression with screw rod 19 through screw thread rotation, force-regulating pad 16 is used to adjust the initialization load of backup spring 20, and the backup power of guarantee effect on pole plate assembly 7 can reach design load.
Hole diameter potentiometer 30 is located at main body 10 ends, and its piston rod 35 is attached at screw rod 19 end faces and moves with screw rod.
The operating principle of the utility model logging instrument list telescoping ram is following:
When motor 24 forward or reverse, drive slide block 14 along reciprocatingly sliding on the guide rail 23 through thrust plate 11, the company of making saves the four-bar linkage at 13 drive backup inner arms 8 and place thereof and opens and draw in.During well logging, motor 24 outages are worked in different hole diameters by the precompression driving stage board component 7 that backup spring 20 applies.Along with backup inner arm 8 drives reciprocatingly sliding of slide blocks 14 with Lian Jie 13, backup spring 20 is compressed or discharges, the piston rod 35 that drives screw rod 19 and hole diameter potentiometer 30 is done reciprocal servo-actuated, thereby measures the hole diameter value.
The utility model can make telescoping ram realize the exchange of single, double two kinds of mode of operations.When the measuring vertical well, adopt two telescoping ram (see figure 2)s.When measuring inclined shaft and horizontal well; Adopt single telescoping ram (see figure 3); Upper arm 26, pole plate assembly 7, backup inner arm 27, back up plate 32, backup inner arm II 34, company on two telescoping ram main bodys 10 of promptly dismantling saves I 28, connects and save II 33, contiguous block 29, backup spring 31 and hole diameter potentiometer 30, loads onto the utility model list telescoping ram again and gets final product.
Claims (6)
1. a micro-sphere focus logging tool list telescoping ram is characterized in that it and is made up of a four-bar mechanism, a slider-crank mechanism and the wear-resisting supporting device with the four-bar mechanism interlock.
2. micro-sphere focus logging tool list telescoping ram as claimed in claim 1; It is characterized in that being provided with the four-bar linkage of forming by upper arm (5), pole plate assembly (7), L shaped backup inner arm (8) and backup main body (10) in micro-sphere focus logging tool list telescoping ram backup main body (10) one sides; Upper arm (5) one ends can be connected in main body (10) around pin A (1) rotary oscillation and by it, and the other end connects pole plate assembly (7); L shaped backup inner arm (8) galianconism end can be connected in main body (10) around pin B (2) rotary oscillation and by it, and long arm end is connected in the sliding tray of pole plate assembly (7) by pin F (9).
3. micro-sphere focus logging tool list telescoping ram as claimed in claim 1; It is characterized in that micro-sphere focus logging tool list telescoping ram main body (10) opposite side one end connects stake body (22) and the guide rail of being supported by wear-resisting supporting A (15) (23), the other end connects wear-resisting supporting B (17); The extrados of guide rail (23) is fitted with the intrados of stake body (22) and is connected by screw (12).
4. micro-sphere focus logging tool list telescoping ram as claimed in claim 1 is characterized in that being provided with in the micro-sphere focus logging tool list telescoping ram main body (10) thrust plate (11) that connects motor (24) and slide block (14), and slide block (14) can move along guide rail (23); Lian Jie (13) one ends connect slide block (14) by pin D (4), and the other end connects L shaped backup inner arm (8) galianconism by pin C (3), promptly slide block (14), connect joint (13) and L shaped backup inner arm (8) galianconism composition slider-crank mechanism; Screwed pipe (18) one ends that compress of suit force-regulating pad (16) are close to slide block (14), and the other end is threaded and is located at the screw rod (19) on the spring base (21), are with backup spring (20) compressing on screwed pipe (18) and the screw rod (19).
5. micro-sphere focus logging tool list telescoping ram as claimed in claim 1 is characterized in that hole diameter potentiometer (30) is located at main body (10) end, and its piston rod (35) is attached at screw rod (19) end face.
6. micro-sphere focus logging tool list telescoping ram as claimed in claim 1 is characterized in that equating that at the arc surface radius of wear-resisting supporting A (15) and stake body (22) the two arc surface all is sprayed with wear-resisting tungsten carbide coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220024679 CN202596700U (en) | 2012-01-18 | 2012-01-18 | Single sidewall contact device for micro-spherically focused tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220024679 CN202596700U (en) | 2012-01-18 | 2012-01-18 | Single sidewall contact device for micro-spherically focused tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202596700U true CN202596700U (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220024679 Expired - Fee Related CN202596700U (en) | 2012-01-18 | 2012-01-18 | Single sidewall contact device for micro-spherically focused tool |
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| Country | Link |
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| CN (1) | CN202596700U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216223A (en) * | 2012-01-18 | 2013-07-24 | 中国石油天然气集团公司 | Single sidewall contact device for microsphere focusing logging instrument |
| CN104847345A (en) * | 2015-04-20 | 2015-08-19 | 中国海洋石油总公司 | Ultrasonic sensor |
| CN110965993A (en) * | 2019-11-19 | 2020-04-07 | 中国石油天然气集团有限公司 | Push-leaning type three-arm temperature logging instrument |
| CN111396029A (en) * | 2020-03-19 | 2020-07-10 | 中国地质大学（北京） | Pushing device in conveying device for lowering and recovering vertical well logging instrument |
| CN114183128A (en) * | 2022-01-20 | 2022-03-15 | 武汉海阔科技有限公司 | Single-arm eccentric caliper |
-
2012
- 2012-01-18 CN CN 201220024679 patent/CN202596700U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216223A (en) * | 2012-01-18 | 2013-07-24 | 中国石油天然气集团公司 | Single sidewall contact device for microsphere focusing logging instrument |
| CN104847345A (en) * | 2015-04-20 | 2015-08-19 | 中国海洋石油总公司 | Ultrasonic sensor |
| CN110965993A (en) * | 2019-11-19 | 2020-04-07 | 中国石油天然气集团有限公司 | Push-leaning type three-arm temperature logging instrument |
| CN110965993B (en) * | 2019-11-19 | 2023-01-10 | 中国石油天然气集团有限公司 | Push-leaning type three-arm temperature logging instrument |
| CN111396029A (en) * | 2020-03-19 | 2020-07-10 | 中国地质大学（北京） | Pushing device in conveying device for lowering and recovering vertical well logging instrument |
| CN114183128A (en) * | 2022-01-20 | 2022-03-15 | 武汉海阔科技有限公司 | Single-arm eccentric caliper |
| CN114183128B (en) * | 2022-01-20 | 2024-04-19 | 武汉海阔科技有限公司 | Single-arm eccentric caliper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20210118 |