CN204609836U - Oil field hydraulic controls multiple switching circulating valve and unlatching, closing tool - Google Patents
Oil field hydraulic controls multiple switching circulating valve and unlatching, closing tool Download PDFInfo
- Publication number
- CN204609836U CN204609836U CN201520286793.8U CN201520286793U CN204609836U CN 204609836 U CN204609836 U CN 204609836U CN 201520286793 U CN201520286793 U CN 201520286793U CN 204609836 U CN204609836 U CN 204609836U
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- CN
- China
- Prior art keywords
- shoulder block
- annular shoulder
- balancing pole
- circulating valve
- sliding sleeve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of oil field hydraulic and control multiple switching circulating valve and unlatching, closing tool, circulating valve comprises sliding sleeve, annular shoulder block in arranging in sliding sleeve top, forms upper, middle and lower three plunger shaft between annular shoulder block in the annular shoulder block of upper and lower sleeve pipe and sliding sleeve in sliding sleeve; Opener and closing tool are sitting in the coned face in setting of casing upper end, opener is made to close the upper inlet opening of upper sleeve pipe by pump liquid, in highly pressurised liquid being imported by opener in plunger shaft, open circulating valve, closing tool is made to close lower inlet opening by pump liquid, highly pressurised liquid is imported in upper piston chamber, close circulating valve.
Description
Technical field
The utility model relates to a kind of oil field hydraulic and controls multiple switching circulating valve and corresponding special opening, closing tool.
Background technology
The multiple switching circulating valve that current oil field is commonly used adopts steel wire carrying implement to open or close by vibration, and because vibration power is very little, therefore the switch reliability of valve is very low.In addition, traditional circulating valve adopts coiled tubing operation to carry out switch, and operating cost is too high.
Summary of the invention
The purpose of this utility model is to provide a kind of oil field hydraulic to control multiple switching circulating valve, and without the need to adopting instrument jarring open and close circulating valve, the switch reliability of circulating valve is high.
Another object of the present utility model is to provide a kind of special circulating valve opener and corresponding closing tool, is specifically designed to and opens and close circulating valve provided by the utility model.
The purpose of this utility model realizes like this, a kind of oil field hydraulic controls multiple switching circulating valve, comprise sliding sleeve, on sliding sleeve lower, outer perimeter wall, radially uniform interval arranges four sliding sleeve circulation ports, annular shoulder block in arranging in sliding sleeve top, arranges the upper and lower sleeve pipe be connected by screw thread in sliding sleeve, in the middle part of upper sleeve pipe, outer wall to be arranged the upper annular shoulder block be positioned at outside described annular shoulder block, on the upper sleeve pipe outer radial periphery wall of upper annular shoulder block following side, radially uniform interval arranges four upper inlet openings, cased upper end and middle part periphery wall thereof arrange termination annular shoulder block and lower annular shoulder block respectively, on the radial tube wall of upper its lower end of termination annular shoulder block, uniform interval arranges four lower inlet openings, on the setting of casing outer radial periphery wall of lower annular shoulder block, uniform interval arranges four Inner eycle holes, on, upper, middle and lower three plunger shaft are formed between annular shoulder block in cased annular shoulder block and sliding sleeve, in each described annular shoulder block outer peripheral face, setting-in sealing ring respectively, wherein go up the internal diameter 1-3mm larger than cased internal diameter of sleeve pipe, near the internal perisporium conically face, setting of casing top of upper and lower sleeve gas thread link.
A kind of engagement sleeves to be contained on described circulating valve in sleeve pipe, for opening the opener of this circulating valve, comprise body and balancing pole, the lower, outer perimeter wall of body has an annular groove, radial passage is set in annular groove, radial passage is communicated with the central passage of body, circumference conically face, body lower surface, central passage internal perisporium between described radial passage and body lower surface and the body of rod of balancing pole are sealed and matched, on body upper periphery wall, engagement sleeves is filled with lower rubber cylinder successively from down to up, gland and upper packing element, the body top engagement sleeves of upper packing element upper end is filled with pressure cap, pressure cap top has centre bore and by-pass prot, the fishing head of balancing pole one end passes in pressure cap and body, balancing pole between described radial passage and pressure cap and leave annular gap between central passage inwall, the balancing pole body of rod stretched out from body lower end arranges Compress Spring, outer tube diameter is less than described upper casing inner diameter and is greater than cased internal diameter.
A kind of engagement sleeves to be contained on described circulating valve in sleeve pipe, for closing the closing tool of circulating valve, comprise body and balancing pole, balancing pole is sleeved in body, on the outer wall of body upper end, engagement sleeves is filled with packing element, body top cover outside upper packing element is filled with pressure cap, pressure cap top has centre bore and by-pass prot, annular gap is left between balancing pole and central passage inwall, balancing pole upper end passes in the centre bore of pressure cap, balancing pole bottom outer wall arranges the sealing ring contacted with inboard wall of tube body, the balancing pole lower end being positioned at body outside portion arranges Compress Spring, body lower end periphery face is coned face, outer tube diameter is less than described upper casing inner diameter and is greater than cased internal diameter.
During use, the circulating valve being in closed condition is connected in lower going-into-well with oil pipe, when circulating valve opened by needs, by opener by steel wire and running tool lower going-into-well, until on the conical surface of the conical surface seat of opener lower end in circulating valve in setting of casing, the maximum outside diameter several millimeter (1-3mm) less of the internal diameter more than circulating valve conical surface of opener, therefore can smoothly under enter in valve.
With pump truck to pump liquid in oil pipe, because oil pipe passage is blocked by opener, oil overpressure raises, when pressure is increased to certain numerical value, balancing pole on opener starts to move downward under upper and lower differential pressure action, promote pressure cap compression lower rubber cylinder and upper packing element, packing element external diameter is expanded increase, fluid pressure continues to raise, packing element is by the annular space on closed packing element external diameter and circulating valve between casing inner diameter, now the upper inlet opening of circulating valve upper bush is plugged, the by-pass prot of liquid on opener pressure cap, annular space in opener body enters middle plunger shaft through the radial passage of body bottom from described lower inlet opening, promote upper and lower sleeve movement, circulating valve is opened.
Released by tubing pressure, upper lower rubber cylinder restores uncompressed shape next time in natural resiliency effect, and on opener and circulating valve, casing inner diameter produces gap, above carries steel wire and pulls balancing pole opener easily can be proposed.After pressure releases, if closing tool two-way pressure is uneven, above carry balancing pole, when its thin bar enters central tube center gross porosity, the two-way pressure of closing tool will reach balance rapidly, then proposes closing tool.
When needing to close the circulating valve be opened, by closing tool by steel wire and running tool lower going-into-well, until on the conical surface of the conical surface seat of closing tool lower end in circulating valve setting of casing, with pump truck to pump liquid in oil pipe, pressure increase in oil pipe, closing tool balancing pole descending promotion pressure cap compression packing element, lower inlet opening is blocked by packing element, liquid enters upper piston chamber by upper inlet opening, and promote upper bush motion, valve is closed.After pressure release, closing tool can be proposed.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is that master of the present utility model looks cross-sectional view;
Fig. 2 is a kind of working state structure schematic diagram of the utility model circulating valve;
Fig. 3 is that the master of the utility model opener looks cross-sectional view;
Fig. 4 is that the master of the utility model closing tool looks cross-sectional view;
Fig. 5 is the working state structure schematic diagram of the utility model circulating valve and opener;
Fig. 6 is the working state structure schematic diagram of the utility model circulating valve and closing tool.
Detailed description of the invention
A kind of oil field hydraulic controls multiple switching circulating valve, as shown in Figure 1 and Figure 2, comprise sliding sleeve 5, on sliding sleeve 5 lower, outer perimeter wall, radially uniform interval arranges four sliding sleeve circulation ports 17, annular shoulder block 4 in arranging in sliding sleeve 5 top, arranges the upper and lower sleeve pipe 1,9 be connected by screw thread in sliding sleeve, in the middle part of upper sleeve pipe 1, outer wall to be arranged the upper annular shoulder block 2 be positioned at outside described annular shoulder block, on the upper sleeve pipe outer radial periphery wall of upper annular shoulder block 2 following side, radially uniform interval arranges four upper inlet openings 3, the upper end of setting of casing 9 and middle part periphery wall thereof arrange termination annular shoulder block and lower annular shoulder block 8 respectively, on the radial tube wall of upper its lower end of termination annular shoulder block, uniform interval arranges four lower inlet openings 6, on the setting of casing 9 outer radial periphery wall of lower annular shoulder block 8, uniform interval arranges four Inner eycle holes 7, on, setting of casing 1, upper, middle and lower three plunger shaft are formed between annular shoulder block in the annular shoulder block of 9 and sliding sleeve, in each described annular shoulder block outer peripheral face, setting-in sealing ring respectively, wherein go up the internal diameter 1-3mm larger than the internal diameter of setting of casing 9 of sleeve pipe 1, near the setting of casing top internal perisporium conically face 16 of upper and lower sleeve gas thread link.
A kind of engagement sleeves to be contained on described circulating valve in sleeve pipe, for opening the opener of this circulating valve, as shown in Figure 3, comprise body 26 and balancing pole 21, the lower, outer perimeter wall of body 26 has an annular groove, radial passage 30 is set in annular groove, radial passage 30 is communicated with the central passage of body 26, circumference conically face, body 26 lower surface, central passage internal perisporium between described radial passage 30 and body 26 lower surface and the body of rod of balancing pole 21 are sealed and matched by sealing ring 27, on body upper periphery wall, engagement sleeves is filled with lower rubber cylinder 25 successively from down to up, gland 24 and upper packing element 23, the body top engagement sleeves of upper packing element 23 upper end is filled with pressure cap 22, pressure cap 22 top has centre bore and by-pass prot, the fishing head of balancing pole 21 one end passes in pressure cap and body, annular gap is left between balancing pole between described radial passage 30 and pressure cap 22 and central passage inwall, from the balancing pole body of rod that body lower end is stretched out, Compress Spring 28 is set by termination nut 29, guarantee that pressure cap 22 compresses upper packing element 23, body 26 external diameter is less than described upper sleeve pipe 1 internal diameter and is greater than the internal diameter of setting of casing 9.
A kind of engagement sleeves to be contained on described circulating valve in sleeve pipe, for closing the closing tool of circulating valve, as shown in Figure 4, comprise body 26 and balancing pole 21, balancing pole 21 is sleeved in body 26, on the outer wall of body 26 upper end, engagement sleeves is filled with packing element 23, body top cover outside upper packing element 23 is filled with pressure cap 22, pressure cap 22 top has centre bore and by-pass prot, annular gap is left between balancing pole and central passage inwall, balancing pole upper end passes in the centre bore of pressure cap, balancing pole bottom outer wall is arranged the sealing ring 27 contacted with inboard wall of tube body, the balancing pole lower end being positioned at body outside portion arranges Compress Spring 28 by termination nut 29, body 26 lower end periphery face is coned face, body 26 external diameter is less than described upper sleeve pipe 1 internal diameter and is greater than the internal diameter of setting of casing 9.
When the utility model uses, as shown in Figures 1 to 6, with pump truck to pump liquid in oil pipe, because oil pipe passage is blocked by opener, oil overpressure raises, when pressure is increased to certain numerical value, balancing pole on opener starts to move downward under upper and lower differential pressure action, promote pressure cap 22 and compress lower rubber cylinder 25 and upper packing element 23, packing element external diameter is expanded increase, fluid pressure continues to raise, packing element is by the annular space on closed packing element external diameter and circulating valve between casing inner diameter, now the upper inlet opening of circulating valve upper bush is plugged, the by-pass prot of liquid on opener pressure cap, annular space in opener body enters middle plunger shaft through the radial passage 30 of body 26 bottom from described lower inlet opening 6, promote upper and lower sleeve movement, circulating valve is opened.
Released by tubing pressure, upper lower rubber cylinder restores uncompressed shape next time in natural resiliency effect, and on opener and circulating valve, casing inner diameter produces gap, above carries steel wire and pulls balancing pole 21 opener easily can be proposed.After pressure releases, if closing tool two-way pressure is uneven, above carry balancing pole, when its thin bar enters central tube center gross porosity, the two-way pressure of closing tool will reach balance rapidly, then proposes closing tool.
When needing to close the circulating valve be opened, by closing tool by steel wire and running tool lower going-into-well, until on the conical surface of the conical surface seat of closing tool lower end in circulating valve setting of casing, with pump truck to pump liquid in oil pipe, pressure increase in oil pipe, closing tool balancing pole descending promotion pressure cap compression packing element 23, lower inlet opening 6 is blocked by packing element 23, liquid enters upper piston chamber by upper inlet opening 3, and promote upper bush 1, valve is closed.After pressure release, closing tool can be proposed.
Claims (3)
1. an oil field hydraulic controls multiple switching circulating valve, comprise sliding sleeve, it is characterized in that: on sliding sleeve lower, outer perimeter wall, radially uniform interval arranges four sliding sleeve circulation ports, annular shoulder block in arranging in sliding sleeve top, the upper and lower sleeve pipe be connected by screw thread is set in sliding sleeve, in the middle part of upper sleeve pipe, outer wall to be arranged the upper annular shoulder block be positioned at outside described annular shoulder block, on the upper sleeve pipe outer radial periphery wall of upper annular shoulder block following side, radially uniform interval arranges four upper inlet openings, cased upper end and middle part periphery wall thereof arrange termination annular shoulder block and lower annular shoulder block respectively, on the radial tube wall of upper its lower end of termination annular shoulder block, uniform interval arranges four lower inlet openings, on the setting of casing outer radial periphery wall of lower annular shoulder block, uniform interval arranges four Inner eycle holes, on, upper, middle and lower three plunger shaft are formed between annular shoulder block in cased annular shoulder block and sliding sleeve, in each described annular shoulder block outer peripheral face, setting-in sealing ring respectively, wherein go up the internal diameter 1-3mm larger than cased internal diameter of sleeve pipe, near the internal perisporium conically face, setting of casing top of upper and lower sleeve gas thread link.
2. an engagement sleeves to be contained on circulating valve described in claim 1 in sleeve pipe, for opening the opener of this circulating valve, comprise body and balancing pole, it is characterized in that: the lower, outer perimeter wall of body has an annular groove, radial passage is set in annular groove, radial passage is communicated with the central passage of body, circumference conically face, body lower surface, central passage internal perisporium between described radial passage and body lower surface and the body of rod of balancing pole are sealed and matched, on body upper periphery wall, engagement sleeves is filled with lower rubber cylinder successively from down to up, gland and upper packing element, the body top engagement sleeves of upper packing element upper end is filled with pressure cap, pressure cap top has centre bore and by-pass prot, the fishing head of balancing pole one end passes in pressure cap and body, balancing pole between described radial passage and pressure cap and leave annular gap between central passage inwall, the balancing pole body of rod stretched out from body lower end arranges Compress Spring, outer tube diameter is less than described upper casing inner diameter and is greater than cased internal diameter.
3. an engagement sleeves to be contained on circulating valve described in claim 1 in sleeve pipe, for closing the closing tool of circulating valve, comprise body and balancing pole, it is characterized in that: balancing pole is sleeved in body, on the outer wall of body upper end, engagement sleeves is filled with packing element, body top cover outside packing element is filled with pressure cap, pressure cap top has centre bore and by-pass prot, annular gap is left between balancing pole and central passage inwall, balancing pole upper end passes in the centre bore of pressure cap, balancing pole bottom outer wall arranges the sealing ring contacted with inboard wall of tube body, the balancing pole lower end being positioned at body outside portion arranges Compress Spring, body lower end periphery face is coned face, outer tube diameter is less than described upper casing inner diameter and is greater than cased internal diameter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520286793.8U CN204609836U (en) | 2015-05-06 | 2015-05-06 | Oil field hydraulic controls multiple switching circulating valve and unlatching, closing tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520286793.8U CN204609836U (en) | 2015-05-06 | 2015-05-06 | Oil field hydraulic controls multiple switching circulating valve and unlatching, closing tool |
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CN204609836U true CN204609836U (en) | 2015-09-02 |
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CN201520286793.8U Expired - Fee Related CN204609836U (en) | 2015-05-06 | 2015-05-06 | Oil field hydraulic controls multiple switching circulating valve and unlatching, closing tool |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104790910A (en) * | 2015-05-06 | 2015-07-22 | 克拉玛依特隆石油技术有限公司 | Oil field hydraulic control multi-switching circulating valve and opening and closing tools |
CN114084410A (en) * | 2021-11-26 | 2022-02-25 | 三河科达实业有限公司 | Food processing safety system of kitchen truck |
-
2015
- 2015-05-06 CN CN201520286793.8U patent/CN204609836U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104790910A (en) * | 2015-05-06 | 2015-07-22 | 克拉玛依特隆石油技术有限公司 | Oil field hydraulic control multi-switching circulating valve and opening and closing tools |
CN104790910B (en) * | 2015-05-06 | 2017-08-25 | 克拉玛依特隆石油技术有限公司 | Oil field hydraulic controls multiple switching circulating valve and unlatching, closes instrument |
CN114084410A (en) * | 2021-11-26 | 2022-02-25 | 三河科达实业有限公司 | Food processing safety system of kitchen truck |
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Legal Events
Date | Code | Title | Description |
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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: 20150902 Termination date: 20170506 |