CN2361830Y - Differential stikcing trend surveying instrument - Google Patents
Differential stikcing trend surveying instrument Download PDFInfo
- Publication number
- CN2361830Y CN2361830Y CN 98249847 CN98249847U CN2361830Y CN 2361830 Y CN2361830 Y CN 2361830Y CN 98249847 CN98249847 CN 98249847 CN 98249847 U CN98249847 U CN 98249847U CN 2361830 Y CN2361830 Y CN 2361830Y
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- utility
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- differential sticking
- trend
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Abstract
The utility model relates to a differential sticking trend surveying instrument which is used for evaluating whether drilling fluid is easy to generate. The utility model belongs to a tester of the property of the drilling fluid. The utility model is mainly composed of a torque force motor, a pressurizing valve rod, a high-temperature and high-pressure kettle body, a steel ball body, a filter net, filter paper, and a dehydration valve rod. The utility model is characterized in that the internal part of the high-temperature and high-pressure kettle body is provided with a metal ball which is connected with a torque rod which passes through the top cover of the kettle body by centering, and the torque rod is connected with the torque force motor. The internal part of the kettle body is provided with slurry, and after starting the torque force motor, people read the torque value. Accordingly, the differential sticking trend of the slurry is evaluated. The surveying instrument is suitable for various drilling fluid systems. The utility model has the advantages of simple structure, convenient operation, and low cost.
Description
The utility model is mainly used in a kind of instrument whether appraisal drilling liquid (mud) differential sticking takes place easily, belongs to the drilling mud performance testing apparatus.
At present, traditional differential sticking evaluation method mainly is to adopt mud cake sticking coefficient analyzer to measure friction (adhesion) coefficient of mud cake, comes appraisal drilling hydraulic pressure difference bit freezing trend by the size of friction factor.Its major defect is: the dehydration area does not increase in time and increases; Mud cake and adhesion dish stick together easily, and experimental result is unreliable; Can not heat.Whether Other Instruments directly appraisal drilling liquid differential sticking trend takes place easily, thereby can't satisfy and produce actual needs.
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, propose a kind of simple in structure, can simulation well sub-surface temperature and pressure reduction, and can directly measure the size of friction torque, thus judge the analyzer of various mud differential sticking trend.
In order to achieve the above object, the utility model is by the following technical solutions: differential sticking trend analyzer, mainly formed by torsion motor (1), pressurization valve rod (2), HTHP kettle (3), steel ball body (4), filter screen and filter paper (5), dehydration valve rod (6).Its major technique feature is: in HTHP kettle (3), place a Metal Ball (4), this Metal Ball links to each other with the torque tube that centering is passed HTHP kettle top cover, and torque tube links to each other with torsion motor (1) again, forms the main body of this differential sticking trend analyzer thus.Other annex: water booster system is arranged, above the kettle by pressurization valve rod (2) control; Top cover and the bottom in addition that match with kettle are drilled with a hole at the top cover middle part, and the middle part in hole is equipped with " a 0 " shape sealing ring, in order to seal up the pressure of kettle inner high voltage gas; Heat riser is arranged around the kettle; There is filter screen to reach the dehydration valve rod (6) that links to each other below the kettle with filter paper (5).The mud of in HTHP kettle (3), packing into, utilize the leak-off principle to form mud cake, this mud cake adheres to tested steel spheroid (4) and contacts certain hour, starts torsion motor (1), read torque value, according to the differential sticking trend of torque value or torque value and time relation evaluation mud.
The utility model has the following advantages compared with prior art: be applicable to various drilling fluid systems, and can be at steady operation under the high-temperature and high-pressure conditions; Simple in structure, easy to operate, floor space is little, save the space, is specially adapted to on-the-spot the use; Low cost of manufacture is convenient to promote the use of.
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the utility model apparatus structure schematic diagram.
Among the figure: 1. torsion motor; 2. pressurization valve rod; 3. HTHP kettle; 4. steel ball body; 5. filter screen and filter paper; 6. dehydration valve rod.
Earlier steel ball (4) is placed on the filter paper (5), puts into mud again, the pressurization of heating.In the high-temperature high-pressure clay cake forming process, start a torsion motor (1) at regular intervals, and read maximum torque.By the torque value that different time obtains down, set up the linear relationship of moment of torsion and time, reflect various mud differential sticking trend according to the slope size of linear relationship.
Utilize this differential sticking trend analyzer can estimate influence such as weighting material type and content, lubricant type and content, components of drilling liquid etc. to differential sticking trend.
Claims (2)
1. differential sticking trend analyzer, mainly formed by torsion motor (1), pressurization valve rod (2), HTHP kettle (3), steel ball body (4), filter screen and filter paper (5), dehydration valve rod (6), it is characterized in that: in HTHP kettle (3), place a Metal Ball (4), this Metal Ball links to each other with the torque tube that centering is passed HTHP kettle top cover, torque tube links to each other with torsion motor (1) again, forms the agent structure of this differential sticking trend analyzer thus.
2. differential sticking trend analyzer according to claim 1, it is characterized in that: the mud of in HTHP kettle (3), packing into, utilize the leak-off principle to form mud cake, this mud cake adheres to test ball (4) and contacts certain hour, start torsion motor (1), read torque value, according to the differential sticking trend of torque value or torque value and time relation evaluation mud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98249847 CN2361830Y (en) | 1998-12-04 | 1998-12-04 | Differential stikcing trend surveying instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98249847 CN2361830Y (en) | 1998-12-04 | 1998-12-04 | Differential stikcing trend surveying instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2361830Y true CN2361830Y (en) | 2000-02-02 |
Family
ID=33994481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98249847 Expired - Fee Related CN2361830Y (en) | 1998-12-04 | 1998-12-04 | Differential stikcing trend surveying instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2361830Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926683A (en) * | 2012-11-19 | 2013-02-13 | 无锡市京锡冶金液压机电有限公司 | Simulation experiment method for drilling-blocking prevention of rock drill in cave |
| CN105626035A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Well wall experimental device used for simulating blocked and stuck conditions of well drilling |
| CN105842152A (en) * | 2015-01-15 | 2016-08-10 | 中国石油天然气股份有限公司 | Mud cake mechanical property measuring instrument |
-
1998
- 1998-12-04 CN CN 98249847 patent/CN2361830Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926683A (en) * | 2012-11-19 | 2013-02-13 | 无锡市京锡冶金液压机电有限公司 | Simulation experiment method for drilling-blocking prevention of rock drill in cave |
| CN102926683B (en) * | 2012-11-19 | 2015-06-10 | 无锡市京锡冶金液压机电有限公司 | Simulation experiment method for drilling-blocking prevention of rock drill in cave |
| CN105626035A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Well wall experimental device used for simulating blocked and stuck conditions of well drilling |
| CN105626035B (en) * | 2014-11-06 | 2019-01-01 | 中国石油化工股份有限公司 | For simulate drilling well be obstructed meet card borehole wall experimental provision |
| CN105842152A (en) * | 2015-01-15 | 2016-08-10 | 中国石油天然气股份有限公司 | Mud cake mechanical property measuring instrument |
| CN105842152B (en) * | 2015-01-15 | 2018-11-16 | 中国石油天然气股份有限公司 | Mud cake mechanical property measuring instrument |
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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 |