CN2344544Y - Sidewall contact hole diameter microelectrode combined logging instrument - Google Patents
Sidewall contact hole diameter microelectrode combined logging instrument Download PDFInfo
- Publication number
- CN2344544Y CN2344544Y CN98238324U CN98238324U CN2344544Y CN 2344544 Y CN2344544 Y CN 2344544Y CN 98238324 U CN98238324 U CN 98238324U CN 98238324 U CN98238324 U CN 98238324U CN 2344544 Y CN2344544 Y CN 2344544Y
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- pole plate
- hole diameter
- arm
- hinged
- well
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Abstract
The utility model discloses a sidewall contact hole diameter microelectrode combined logging instrument. A motor which is sealed in a shell of a sleeve barrel drives a detection device of a lever mechanism. Continuous measurement to the diameter of well which is drilled latterly and is provided with open holes and formation resistivity is realized through the mode that the detection device realizes is stuck and connected with a well wall. The logging instrument can arbitrarily move up and down in a well, and can detect big and small holes, with the advantages of small abrasion of a pole plate, high detection precision and the relieve of detection staff's labor intensity.
Description
The utility model discloses a kind of pushing type hole diameter microelectrode combination logging tool, is used for the oil field and newly bores the improvement that the continuous measurement of open hole well diameter and formation resistivity belongs to the electric variable logging technique.
At present, the caliper logging instrument that generally use in domestic each oil field is explosion type, before promptly going into the well, earlier four hole diameter legs of instrument are tied up with thin wire, iron wire is connected on the blasting charge, the blasting charge is attached on the instrument, behind the shaft bottom, opens the exploder on the ground instrument under the instrument, by the cable transmission electric current to downhole instrument, open explosive, blow up thin wire, four caliper logging legs are under the effect of initial tension of spring separately, open and be close on the borehole wall, situation with the borehole wall is shifted one's position, by cable to instrument in the lifting in shaft bottom and prior scale value, simulation ground reflects the well radius variations of open hole well.The defective of this hole diameter instrument is it after open in the shaft bottom, can only upwards promote, and fails in the time of need remeasuring if measure midway, also instrument must be pulled out well head, again tie up on ground, go into the well again after loading onto the blasting charge, thereby prolonged the activity duration of open-air well logging squad greatly.The measurement of formation resistivity then is (to hang pole plate on one side by the rubber pad on the spring arculae that is connected in the instrument both sides, realize that another side balancing piece) three limits are arranged on the pole plate, an emission, two receptions are used for measuring the current potential and the gradient on stratum respectively.The spring arculae remains contraction state projection laterally, obtain measuring-signal on the borehole wall to guarantee that pole plate can be attached to all the time, the greatest drawback of this instrument is that its pole plate position instrument diameter is excessive, be hampered easily, meet card, therefore be hampered for anti-, must be with addition of heavily going into the well, and can not descend slim-hole.When holding back card, push away freedom, be difficult for unfreezing owing to can not receive.When non-measurement state, pole plate also is close to the borehole wall with going into the well on the instrument, thereby has quickened the wearing and tearing of pole plate greatly, has reduced the application life of pole plate.
At above-mentioned weak point, the purpose of this utility model just provides a kind of can be in the open hole eye arbitrarily upper and lower moving, can both arbitrarily detect big slim-hole, and its pole plate wearing and tearing are little, its accuracy of detection height, time-consuming few, can alleviate the pushing type hole diameter microelectrode combination logging tool of testing personnel labor intensity greatly.
The purpose of this utility model is achieved in that a kind of pushing type hole diameter microelectrode combination logging tool, it is made up of power set, checkout gear, pressure equaliser, cable and the signal of telecommunication transmitting device etc. that are sealed in the cover cylinder shell, it is characterized in that: the power output shaft that is sealed in the sleeve body is connected on the hollow axis, the supporting mass that is packed on this axis other end is in series through the single-revolution supporting arm, and the vertical hinge in the big gap of apparatus is hinged with at least one group of parallelogram four-bar mechanism; This one of them connecting rod of parallelogram four-bar mechanism and pole plate carriage are made one, are fixed with on the pole plate carriage to detect to use pole plate; The utility model is in reality is implemented, wherein power set can adopt drive of motor, also can adopt hydraulic drive, for the test target of realizing detecting accurately, precision is high, the detection well leg that can adopt parallelogram four-bar mechanism checkout gear in force and can freely open, contract, the scheme that combination simultaneously is provided with is to carry out comprehensive multi-point sampler; Pressure equaliser in the utility model logging instrument adopts the balance pipe than the big volume of prior art tool, can guarantee that more it in use can bear bigger strata pressure; Signal in the utility model logging instrument and power cable are transferred to its upper end through the hollow part of quill shaft spare multi-core socket and Malong head join and pass to ground.
Further specify the utility model technical characterictic below in conjunction with accompanying drawing.
Description of drawings:
Fig. 1 is the utility model structural representation.
Fig. 2 is Figure 1A-B power set structural representation.
Fig. 3 is Figure 1B-C checkout gear structural representation.
Fig. 4 is Fig. 1 C-D balance device structure schematic diagram.
Operating position schematic diagram when Fig. 5 opens 20 ° for the utility model hole diameter leg.
Fig. 6 is 20 ° of operating position schematic diagrames of the utility model parallelogram four-bar mechanism subtended angle.
Embodiment: pushing type hole diameter microelectrode combination logging tool
Present embodiment pushing type hole diameter microelectrode combination logging tool is used for the continuous measurement that open hole well diameter and formation resistivity are newly bored in the oil field, it is by the motor (1) that is sealed in the cover cylinder shell (9), the T-shape screw rod (2) that connects together with motor shaft, it is paid hollow axis (3) by the T-shape screw thread and links to each other, be connected with a supporting mass (4) with the screw thread series connection on the other end of axis (3), at the corresponding hinged two pivoting support arms (5) that are provided with in the both sides of supporting mass symmetrical center line, on the sleeve hull outside wall in two-revolution supporting arm (5) plane, place, along axis direction two pin joints are set at interval, hinged respectively two isometric upper branch arm (6) and the lower branch arms (8) that are provided with of the vertical hinge in the big gap of apparatus on it, another hinged pole plate carriage (7) composition one parallelogram four-bar mechanism that is in series with between the end that suspends at this two supporting arm, on pole plate carriage (7), be connected with pole plate (10), below upper branch arm, a sliding bar (17) is set along parallel the amplexiforming of support arm, its upper sleeve through has an end of preloading spring (18) to slide in the hole on the body of upper branch arm lower end, and the other end and pivoting support arm (5) are hinged; On cover cylinder shell (9) lateral wall with two upper and lower support arms (6,8), the same hinged two isometric hole diameter legs (12) that are symmetrical arranged in the vertical plane on plane, place, all make the connecting lever (11) of tool supporting role at hole diameter leg (12) and upper branch arm (6) pin joint place, these four connecting levers respectively with its upper end spring case (13) in 4 plunger rods (14) apical grafting mutually, be provided with balance pipe (15) in the cover cylinder shell of spring case upper end, balance pipe upper sleeve housing is gone up the top most and is provided with 28 core sockets (16).
Logging instrument total length 2105mm in the present embodiment, maximum gauge φ 89mm, when well logging is used since its diameter than having between the hole diameter than large-spacing, so can be easy to down the down-hole, arrive the prediction well depth to needing only starter motor, then the transmission of paying through the T-shape screw thread that rotatablely moves of motor shaft becomes moving down of hollow mandrel, advancing you drives supporting mass and moves down through the pivoting support arm moves down outside and to affect parallel bar (17), driving the parallelogram four-bar mechanism has opened, then the pole plate carriage remains with the well borehole wall and parallels, remaining elastic tight by the effect of preloading spring (18) and well arm again contacts and is enough to realize accurate measurement, when supporting mass moves downward, under the elastic force effect, force the hole diameter leg outwards to open by four plunger rods of spring case (14), the connecting lever that links to each other with upper branch arm (6) has then only been opened power-assisted to four-bar mechanism and has been used, hole diameter leg and pole plate checkout gear and well arm contact situation finally all reflect through four proven slide-wire potentiometers of connecting lever and four plunger rod Joints, data detection signal is linked to through cable on the socket (16) of 28 cores, joins through itself and Malong head and guides to floor treatment.Balance pipe is filled insulating oil in (15); can play the effect of the inside and outside pressure of balance logging instrument, can protect instrument not damaged by pressure, during detection such as interim chance card starter motor at any time by stressor layer formidably; the opening angle of hole diameter leg and four-bar mechanism is reclaimed in counter-rotating, treat by after recover measurement again.Owing to place one can open on the receipts quadric chain freely the microelectrode plate, open obtaining the formation resistivity signal, can obtain the hole diameter signal with the hole diameter leg again.After the recovery, the instrument diameter is less, and compact conformation must can not descend than slim-hole, easy construction, long service life in addition with addition of heavy.Owing to realized the backup effect of hole diameter and microelectrode, can in time repeat to go into the well to mend and survey, reduce the field work time greatly, increase work efficiency, simultaneously since during non-measurement state pole plate regain, reduce the unnecessary abrasion of pole plate, prolong instrument and pole plate application life, improve overall economic efficiency.
Claims (2)
1. pushing type hole diameter microelectrode combination logging tool, it is made up of power set, checkout gear, pressure equaliser, cable and the signal of telecommunication transmitting device etc. that are sealed in the cover cylinder shell, it is characterized in that: the power output shaft that is sealed in the sleeve body is connected on the hollow axis, the supporting mass that is packed on this axis other end is in series through the single-revolution supporting arm, and the vertical hinge in the big gap of apparatus is hinged with at least one group of parallelogram four-bar mechanism; This one of them connecting rod of parallelogram four-bar mechanism and pole plate carriage are made one, are fixed with on the pole plate carriage to detect to use pole plate.
2. logging instrument according to claim 1, it is characterized in that: it is by the motor (1) that is sealed in the cover cylinder shell (9), the T-shape screw rod (2) that connects together with motor shaft, it is paid hollow axis (3) by the T-shape screw thread and links to each other, be connected with a supporting mass (4) with the screw thread series connection on the other end of axis (3), at the corresponding hinged two pivoting support arms (5) that are provided with in the both sides of supporting mass symmetrical center line, on the sleeve hull outside wall in two-revolution supporting arm (5) plane, place, along axis direction two pin joints are set at interval, hinged respectively two isometric upper branch arm (6) and the lower branch arms (8) that are provided with of the vertical hinge in the big gap of apparatus on it, another hinged pole plate carriage (7) composition one parallelogram four-bar mechanism that is in series with between the end that suspends at this two supporting arm, on pole plate carriage (7), be connected with pole plate (10), below upper branch arm, a sliding bar (17) is set along parallel the amplexiforming of support arm, its upper sleeve through has an end of preloading spring (18) to slide in the hole on the body of upper branch arm lower end, and the other end and pivoting support arm (5) are hinged; On cover cylinder shell (9) lateral wall with two upper and lower support arms (6,8), the same hinged two isometric hole diameter legs (12) that are symmetrical arranged in the vertical plane on plane, place, all make the connecting lever (11) of tool supporting role at hole diameter leg (12) and upper branch arm (6) pin joint place, these four connecting levers respectively with its upper end spring case (13) in 4 plunger rods (14) apical grafting mutually, be provided with balance pipe (15) in the cover cylinder shell of spring case upper end, balance pipe upper sleeve housing is gone up the top most and is provided with 28 core sockets (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98238324U CN2344544Y (en) | 1998-07-22 | 1998-07-22 | Sidewall contact hole diameter microelectrode combined logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98238324U CN2344544Y (en) | 1998-07-22 | 1998-07-22 | Sidewall contact hole diameter microelectrode combined logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2344544Y true CN2344544Y (en) | 1999-10-20 |
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ID=33985940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98238324U Expired - Fee Related CN2344544Y (en) | 1998-07-22 | 1998-07-22 | Sidewall contact hole diameter microelectrode combined logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2344544Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320254C (en) * | 2005-03-18 | 2007-06-06 | 中国海洋石油总公司 | Biprobe sidewall contact device |
| CN101737036A (en) * | 2008-11-19 | 2010-06-16 | 桑德克斯有线有限公司 | A downhole modulator apparatus |
| CN101131089B (en) * | 2006-08-23 | 2010-11-03 | 中国石油天然气集团公司 | Push-pull type multi-arm righting hole diameter micrologging instrument |
| CN101892835A (en) * | 2010-07-09 | 2010-11-24 | 沈阳新锦石油设备有限公司 | Combined telescoping ram for logging instrument |
| CN102168554A (en) * | 2010-12-17 | 2011-08-31 | 中国石油集团长城钻探工程有限公司 | Through-casing resistivity push electrode system of independent supporting arm |
| CN101403298B (en) * | 2008-11-19 | 2012-07-25 | 陈耕 | Double-driving combination logging probe |
| CN102937020A (en) * | 2012-11-27 | 2013-02-20 | 北京华航无线电测量研究所 | Resistivity electronic cabin provided with elastic supporting structure |
| CN103061751A (en) * | 2012-11-30 | 2013-04-24 | 中国电子科技集团公司第二十二研究所 | Microballoon density hole diameter combination sidewall contact device based on hydraulic principle and logger |
| CN103758510A (en) * | 2014-01-24 | 2014-04-30 | 中国石油大学(北京) | Current signal emission source down-hole three-electrode system |
| CN104373107A (en) * | 2014-10-24 | 2015-02-25 | 武汉海王机电工程技术公司 | Pressure balance sleeve pushing device of petroleum logging instrument |
| CN106066411A (en) * | 2016-08-05 | 2016-11-02 | 国家电网公司 | Auxiliary electrode structure for large-scale grounding network grounding resistance measurement |
| CN106321077A (en) * | 2015-07-02 | 2017-01-11 | 中石化石油工程技术服务有限公司 | Four-arm microelectrode measuring instrument for borehole diameters |
-
1998
- 1998-07-22 CN CN98238324U patent/CN2344544Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320254C (en) * | 2005-03-18 | 2007-06-06 | 中国海洋石油总公司 | Biprobe sidewall contact device |
| CN101131089B (en) * | 2006-08-23 | 2010-11-03 | 中国石油天然气集团公司 | Push-pull type multi-arm righting hole diameter micrologging instrument |
| CN101737036B (en) * | 2008-11-19 | 2016-03-02 | 桑德克斯有线有限公司 | Downhole modulator apparatus |
| CN101737036A (en) * | 2008-11-19 | 2010-06-16 | 桑德克斯有线有限公司 | A downhole modulator apparatus |
| CN101403298B (en) * | 2008-11-19 | 2012-07-25 | 陈耕 | Double-driving combination logging probe |
| CN101892835A (en) * | 2010-07-09 | 2010-11-24 | 沈阳新锦石油设备有限公司 | Combined telescoping ram for logging instrument |
| CN102168554A (en) * | 2010-12-17 | 2011-08-31 | 中国石油集团长城钻探工程有限公司 | Through-casing resistivity push electrode system of independent supporting arm |
| CN102937020B (en) * | 2012-11-27 | 2015-05-06 | 北京华航无线电测量研究所 | Resistivity electronic cabin provided with elastic supporting structure |
| CN102937020A (en) * | 2012-11-27 | 2013-02-20 | 北京华航无线电测量研究所 | Resistivity electronic cabin provided with elastic supporting structure |
| CN103061751A (en) * | 2012-11-30 | 2013-04-24 | 中国电子科技集团公司第二十二研究所 | Microballoon density hole diameter combination sidewall contact device based on hydraulic principle and logger |
| CN103061751B (en) * | 2012-11-30 | 2015-04-08 | 中国电子科技集团公司第二十二研究所 | Microballoon density hole diameter combination sidewall contact device based on hydraulic principle and logger |
| CN103758510A (en) * | 2014-01-24 | 2014-04-30 | 中国石油大学(北京) | Current signal emission source down-hole three-electrode system |
| CN103758510B (en) * | 2014-01-24 | 2016-06-08 | 中国石油大学(北京) | Current signal emission source down-hole three electrode system |
| CN104373107A (en) * | 2014-10-24 | 2015-02-25 | 武汉海王机电工程技术公司 | Pressure balance sleeve pushing device of petroleum logging instrument |
| CN104373107B (en) * | 2014-10-24 | 2017-01-25 | 武汉海王机电工程技术公司 | Pressure balance sleeve pushing device of petroleum logging instrument |
| CN106321077A (en) * | 2015-07-02 | 2017-01-11 | 中石化石油工程技术服务有限公司 | Four-arm microelectrode measuring instrument for borehole diameters |
| CN106066411A (en) * | 2016-08-05 | 2016-11-02 | 国家电网公司 | Auxiliary electrode structure for large-scale grounding network grounding resistance measurement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |