CN102758618B - Large-diameter tool inductor operating under pressure - Google Patents
Large-diameter tool inductor operating under pressure Download PDFInfo
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- CN102758618B CN102758618B CN201210266251.5A CN201210266251A CN102758618B CN 102758618 B CN102758618 B CN 102758618B CN 201210266251 A CN201210266251 A CN 201210266251A CN 102758618 B CN102758618 B CN 102758618B
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Abstract
The invention relates to the technical field of workover treatment of a gas well under pressure, in particular to one of important ground assistant tools for workover treatment of the gas well under pressure, more particularly a large-diameter tool mechanical inductor operating under pressure. The large-diameter tool mechanical inductor is characterized in that the upper end of an induction head is connected with a spring, one end of a mandrel is connected to the induction head, the other end of the mandrel is connected with an indicating stick, the indicating stick is connected with a flange, a pressure guide channel is positioned in the mandrel and is parallel to the axis, and the induction head drives the mandrel and further drives the indicting stick. The large-diameter tool mechanical inductor is implemented by a pure mechanical structure and is low in cost, small in error and simple and reliable. Compared with the electromagnetic induction device, the large-diameter tool mechanical inductor is low in cost, visual and reliable in data and simple to maintain and operate.
Description
Technical field
The present invention relates to gas well workover treatment technical field, particularly one with pressure is Operating Pressure major diameter instrument inductor, and it is one of important ground aid of gas well workover treatment with pressure.Be applied to the workover treatments such as gas well trip-out with pressure.
Background technology
At present, along with fracturing technology, technology are constantly updated progress, enter the fracturing tool complex structure of well, of a great variety.In the time that needs carry out workover treatment to this well, each Oilfield Company of the injury on stratum is carried out to not kill-job workover treatment (being Operating Pressure), the especially work of gas well workover treatment with pressure progressively to increase in order to reduce.The technology of Operating Pressure most critical is how fracturing tool string to be pulled out of hole, the common practice is on tool string, to mention in not kill-job workover treatment equipment, by the cooperation of blowout preventer set and slips group, and be used in conjunction with the operations such as special instrument is fished in device, shackle, and then take out tool string.
The workover treatment equipment with pressure of applying in the process of trip-out with pressure does not possess the external diameter sensing capability of instrument, and has sightless characteristic.Operating personnel cannot implement monitoring and enter instrument, tubular column structure and the appearance and size of Operating Pressure equipment, and then are difficult to carry out further work.In actual mechanical process, on the equipment with pressure having for the ease of operation optional equipment electromagnetic inductor, but in trip-out operation process, can affect the precision of electromagnetic induction due to magazines such as the dirts of the rocking of tubing string, tubing string outer wall, have influence on field operation.Or confirm the external diameter of tubing string by the ram preventer of manual control wellhead assembly.
For this reason, need to reflect in real time, intuitively the external diameter variation that enters the interior instrument of Operating Pressure equipment by a kind of mechanical type inductor, and then tubing string pass through above carry displacement and external diameter and change the kind that can reflect intuitively instrument, determine further work scheme with this.
Summary of the invention
The object of the invention is the appearance and size of instrument and the kind of instrument that accurately judgement enters trip-out apparatus for work with pressure for the ease of operator, be convenient to the working properly of next step and carry out.For this problem, a kind of Operating Pressure major diameter instrument inductor providing, helps operator to judge.
Technical scheme of the present invention: Operating Pressure major diameter machine tool inductor, it is characterized by: inductive head upper end is connected with spring, mandrel one end is connected on inductive head, the other end is connected with indicating bar, indicating bar is connected with flange, and pilot passage is positioned at mandrel, parallel with axis, inductive head band moving mandrel, and then drive indicating bar.
Described Operating Pressure major diameter machine tool inductor, is characterized by: described inductive head is 3, and becomes 120 degree to be evenly distributed.
Described Operating Pressure major diameter machine tool inductor, is characterized by: the described forward and backward chamber of pilot passage connecting mandrel; This passage, for the pressure of the forward and backward chamber of balance mandrel, is avoided the motion of the affected by high mandrel in device.
Beneficial effect of the present invention: the present invention has designed a kind of major diameter machine tool inductor between routine implement with pressure and ground preventer group.The external diameter that it induces the instrument in access to plant by Mechanical Contact changes.The external diameter that operator can show by the displacement carried on equipment and inductor changes, and the two stack can accurately reflect profile, the length of instrument, can accurately judge kind and the parameter of instrument.And then, for next step work provides theoretical foundation.
This device is realized by pure frame for movement, and cost is low, and error is little, simple and reliable.Compare electromagnetic induction device with low cost, data are intuitive and reliable, maintenance, simple to operate.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described:
Accompanying drawing 1 is implementation column structure chart;
Accompanying drawing 2 is implementation column fundamental diagram;
Accompanying drawing 3 is implementation column top view.
In figure: 1, device body; 2, inductive head; 3, adapter sleeve; 4, spring; 5, bolt; 6, mandrel; 7, flange; 8, the back of the body emits; 9, indicating bar; 10 pilot passages; 11, instrument; 12, tubing string.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, Operating Pressure major diameter machine tool inductor, it is characterized by: inductive head 2 upper ends are connected with spring 4, mandrel 6 one end are connected on inductive head 2, and the other end is connected with indicating bar 9, and indicating bar 9 is connected with flange 7, pilot path 10 is positioned at mandrel, parallel with axis, inductive head 2 is with moving mandrel 6, and then drives indicating bar 9.
Embodiment 2
As shown in Figure 2,3, substantially the same manner as Example 1, difference is: in this device body 1, be designed with pilot path 10, this passage, for the pressure of balance mandrel 6 forward and backward chambers, is avoided the motion of the affected by high mandrel 6 in device.The pressure of mandrel 6 front and back chambers is equated, thereby effectively avoided the impact of the high pressure in device on mandrel 6.Carry out trip-out operation with pressure time, inductive head directly contacts with instrument 11 external surfaces, when the major diameter instrument connecing on tubing string 12 is carried in process upper, can touch inductive head 2, major diameter instrument meeting touch inducing head 2, inductive head 2 Hui Dai moving mandrels 6 reclaim Compress Spring together, and then indicating bar 9 moves together with mandrel 6.The external diameter of instrument in judgment means is carried out in the position of the graduation apparatus by indicating bar 9 on flange 7, and flange 7 emits 8 to join with the back of the body.In the time of instrument reduced diameter in tubing string, under the elastic force effect of spring 4, promote inductive head 2 and reset, and then band moving mandrel 6, indicating bar 9 reset.So by indicating bar 9, the situation of change on flange 7 graduation apparatus reflects that the external diameter of instrument changes to this device.On in conjunction with tubing string in device, carry displacement, just can accurately judge appearance and size and the kind of instrument.And then facilitate next step work.
The parts that the present embodiment does not describe in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not narration one by one.
Claims (1)
1. Operating Pressure major diameter machine tool inductor, it is characterized by: inductive head (2) upper end is connected with spring (4), mandrel (6) one end is connected on inductive head (2), mandrel (6) other end is connected with indicating bar (9), indicating bar (9) is connected with flange (7), pilot passage (10) is positioned at mandrel, parallel with axis, inductive head (2) band moving mandrel (6) and then drive indicating bar (9); Described inductive head (2) is 3 inductive heads, and becomes 120 degree to be evenly distributed; The described forward and backward chamber of pilot passage (10) connecting mandrel (6); This passage, for the pressure of the forward and backward chamber of balance mandrel (6), is avoided the motion of the affected by high mandrel (6) in device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210266251.5A CN102758618B (en) | 2012-07-30 | 2012-07-30 | Large-diameter tool inductor operating under pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210266251.5A CN102758618B (en) | 2012-07-30 | 2012-07-30 | Large-diameter tool inductor operating under pressure |
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| Publication Number | Publication Date |
|---|---|
| CN102758618A CN102758618A (en) | 2012-10-31 |
| CN102758618B true CN102758618B (en) | 2014-08-20 |
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| CN201210266251.5A Active CN102758618B (en) | 2012-07-30 | 2012-07-30 | Large-diameter tool inductor operating under pressure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9719331B2 (en) * | 2012-05-13 | 2017-08-01 | Alexander H. Slocum | Method and apparatus for bringing under control an uncontrolled flow through a flow device |
| CN109138866A (en) * | 2018-08-24 | 2019-01-04 | 江苏如东联丰石油机械有限公司 | A kind of hydraulic elevator chuck Novel control cabinet indicator |
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| JP2007206042A (en) * | 2006-01-30 | 2007-08-16 | Metrol Ltd | Contact type touch sensor |
| CN200979401Y (en) * | 2006-09-16 | 2007-11-21 | 丁宏林 | An electronic external diameter measurer |
| CN201221351Y (en) * | 2008-07-08 | 2009-04-15 | 阜新驰宇石油机械有限公司 | Pipe rod external diameter detection device |
| CN101871345A (en) * | 2009-04-21 | 2010-10-27 | 北京支盘建设工程有限公司 | Tray (well) diameter detector |
| CN202810833U (en) * | 2012-07-30 | 2013-03-20 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Large-diameter tool sensing device for snubbing |
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2012
- 2012-07-30 CN CN201210266251.5A patent/CN102758618B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2562166Y (en) * | 2002-08-24 | 2003-07-23 | 张文栋 | Pre-alarm device for wear-out of crank pin |
| JP2007206042A (en) * | 2006-01-30 | 2007-08-16 | Metrol Ltd | Contact type touch sensor |
| CN200979401Y (en) * | 2006-09-16 | 2007-11-21 | 丁宏林 | An electronic external diameter measurer |
| CN201221351Y (en) * | 2008-07-08 | 2009-04-15 | 阜新驰宇石油机械有限公司 | Pipe rod external diameter detection device |
| CN101871345A (en) * | 2009-04-21 | 2010-10-27 | 北京支盘建设工程有限公司 | Tray (well) diameter detector |
| CN202810833U (en) * | 2012-07-30 | 2013-03-20 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Large-diameter tool sensing device for snubbing |
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| CN102758618A (en) | 2012-10-31 |
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