CN108361005B - Safety protection device for wellhead of oil pumping unit - Google Patents
Safety protection device for wellhead of oil pumping unit Download PDFInfo
- Publication number
- CN108361005B CN108361005B CN201810214980.3A CN201810214980A CN108361005B CN 108361005 B CN108361005 B CN 108361005B CN 201810214980 A CN201810214980 A CN 201810214980A CN 108361005 B CN108361005 B CN 108361005B
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- base
- protection plate
- pumping unit
- horizontal
- annular
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- 238000005086 pumping Methods 0.000 title claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 7
- 230000037431 insertion Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 6
- 239000003129 oil well Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0021—Safety devices, e.g. for preventing small objects from falling into the borehole
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a wellhead safety protection device of a pumping unit, which comprises a base, wherein a plurality of groups of mounting holes are formed in the edge of the base, fixing columns are arranged in the mounting holes, a circular mounting opening is formed in the upper end surface of the base, an annular protection plate is vertically and fixedly arranged on the upper end surface of the base between the circular mounting opening and the edge of the base, horizontal U-shaped insertion rods are sleeved on two sides of the annular protection plate through holes, an arc-shaped plate is fixedly arranged on the inner side of the annular protection plate at one end, close to the center of the base, of each horizontal U-shaped insertion rod, springs are sleeved on the outer portions of the upper end and the lower end of each horizontal U-shaped insertion rod between the inner side of the annular protection plate and the arc-shaped plate, and screw rods are arranged in. The adjustable arc-shaped plate is provided with the annular protection plate and the protection cover to completely protect a well mouth, the structure is stable, the protection cover is prevented from being turned over to cause well falling accidents, the safety is high, and meanwhile, the application range of the device is expanded due to the adjustable arc-shaped plate.
Description
Technical Field
The invention relates to the technical field of oil well exploitation, in particular to a wellhead safety protection device of an oil pumping unit.
Background
The oil well is a hole drilled by a well distribution system for exploiting and planning oil field development, the oil rises from the bottom of the well to a well head, the oil well is a hole drilled by a well drilling method, after the oil layer is drilled, an oil layer casing is put into the oil layer casing, oil well cement is injected into an annular space between the casing and the well wall to maintain the well wall and seal the oil, gas and water layers, then the oil layer is jetted by a perforating gun according to the requirement of the oil field development to form a channel, the oil pipe is put into the channel, and the oil is raised from the bottom of the oil well to the well head by a proper induced flow method.
The well head after the pumping unit operation among the prior art exposes in the environment, has following problem:
1. the safety of the protective measures arranged on the well mouth is not high, accidents are easy to happen, and the well mouth of the oil well is not protected.
2. The protective measures taken for the well mouth are not only difficult to install and disassemble, but also narrow in application range, and can not be universal for the well mouths of pumping units with different sizes.
Disclosure of Invention
The invention aims to provide a wellhead safety protection device of an oil pumping unit, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a well mouth safety protection device of a pumping unit comprises a base, wherein a plurality of groups of mounting holes are formed in the edge of the base, fixing columns are arranged in the mounting holes, a circular mounting opening is formed in the upper end face of the base, an annular protection plate is vertically and fixedly arranged on the upper end face of the base between the circular mounting opening and the edge of the base, horizontal U-shaped insertion rods are sleeved on two sides of the annular protection plate through holes, an arc-shaped plate is fixedly arranged at one end, close to the center of the base, of each horizontal U-shaped insertion rod on the inner side of the annular protection plate, springs are sleeved on the outer portions of the upper end and the lower end of each horizontal U-shaped insertion rod between the inner side of the annular protection plate and the arc-shaped plate, screw rods are arranged in the middle portions of the horizontal U-shaped insertion rods and the outer portions of, the utility model discloses a safety protection device for automobile engine, including annular protection shield, screw rod, mounting, first solid fixed ring, the screw rod is kept away from annular protection shield one end and is passed horizontal "U" type inserted bar and pass the fixed rotation axis that is provided with of shaft coupling, the rotation axis is kept away from the fixed hand wheel that is provided with of annular protection shield one end, the fixed mounting that is provided with in annular protection shield outside upper end, the fixed first solid fixed ring that is provided with in the mounting outside, a plurality of groups spacing hole has evenly been seted up to annular protection shield top inside, annular protection shield top is provided with the visor, visor lower extreme edge is fixed and is provided.
Furthermore, the base is of a circular ring structure, and the number of the mounting holes in the edge of the base is at least two.
Furthermore, the fixing column is nested in the mounting hole, the length of the fixing column is larger than the thickness of the base, and the size of the top end of the fixing column is larger than that of the mounting hole.
Furthermore, the diameter of the circular mounting opening is larger than 1m, and the circular mounting opening is located in the center of the base.
Furthermore, the annular protection plate and the base are integrally formed, the height of the annular protection plate is larger than 30cm, and the annular protection plate is a metal product.
Furthermore, the horizontal length of the horizontal U-shaped inserted bar is 1-2m, and the upper end and the lower end of the horizontal U-shaped inserted bar are fixedly connected with the arc-shaped plate through screws.
Further, the height of the arc-shaped plate is 20-30cm, a rubber pad is fixedly arranged on the inner side of the arc-shaped plate through a screw, and the thickness of the rubber pad is 3-8 cm.
Furthermore, the number of the limiting holes is at least two, and the depth of the limiting holes is larger than 5 cm.
Further, a protection sponge is arranged in the middle of the lower end of the protective cover, the protection sponge is of a cylindrical structure, and the thickness of the protection sponge is larger than 5 cm.
Furthermore, a plurality of groups of pull rings are vertically and fixedly arranged in the center of the upper end face of the protective cover, the number of the pull rings is at least one, and the pull rings are tightly welded on the protective cover.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention arranges a round mounting opening in the center of the base, arranges horizontal U-shaped inserted bars on both sides of the annular protection plate, one end of a horizontal U-shaped inserted rod is connected with an arc-shaped plate, a screw rod which is in threaded fit with an annular protection plate is arranged between the middle part of the horizontal U-shaped inserted rod and the arc-shaped plate and is rotated through a hand wheel, when the device is used, a base is sleeved outside a well head through an installation opening, the base is fixed through a fixing column, the arc-shaped plate is moved to be tightly attached to the outer wall of the well head through rotating the hand wheel so as to stably fix the device integrally, a protective cover is covered on the protective cover through matching of a limiting hole and a limiting column, the protective cover is fixed and stabilized between the first fixing ring and the second fixing ring by using tools such as ropes, the annular protective plate is matched with the protective cover to completely protect the wellhead, the overall structure is stable, the protective cover is prevented from being turned over to cause a well falling accident, the safety is high, and meanwhile, the application range of the device is expanded due to the adjustable arc plate;
2. according to the invention, the diameter of the circular mounting opening is larger than 1m, the situation that the mounting opening cannot be matched with a well mouth due to too small size is prevented, the circular mounting opening is positioned in the center of the base, the stability is improved, the rubber pad is tightly arranged on the inner side of the arc-shaped plate through a screw, the thickness of the rubber pad is 3-8cm, the well wall is prevented from being damaged due to too hard arc-shaped plate, the middle part of the lower end of the protective cover is provided with the protective sponge, the protective sponge is of a cylindrical structure, the thickness of the protective sponge is larger than 5cm, the protective sponge extrudes the arc-shaped plate to play a supporting and buffering role.
Drawings
FIG. 1 is a schematic view of the external structure of a wellhead safety protection device of an oil pumping unit according to the present invention;
FIG. 2 is a schematic view of the internal structure of a wellhead safety protection device of the pumping unit;
FIG. 3 is an enlarged schematic view of the wellhead safety protection device of the pumping unit of the present invention at A in FIG. 2;
fig. 4 is a top view of the upper end face structure of the base in the wellhead safety protection device of the pumping unit.
In FIGS. 1-4: 1-a base; 2-mounting holes; 3-fixing the column; 4-a circular mounting port; 5-an annular protection plate; 6-horizontal U-shaped inserted bar; 7-arc-shaped plates; 8-a spring; 9-screw rod; 10-a rotating shaft; 11-a hand wheel; 12-a fixing member; 13-a first retaining ring; 14-a limiting hole; 15-a protective cover; 16-a limiting column; 17-a second retaining ring; 18-rubber pad; 19-protective sponge; 20-pull ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a well mouth safety protection device of an oil pumping machine comprises a base 1, a plurality of groups of mounting holes 2 are arranged inside the edge of the base 1, fixing columns 3 are arranged in the mounting holes 2, a circular mounting port 4 is arranged on the upper end face of the base 1, an annular protection plate 5 is vertically and fixedly arranged on the upper end face of the base 1 between the circular mounting port 4 and the edge of the base 1, horizontal U-shaped inserting rods 6 are sleeved on two sides of the annular protection plate 5 through holes, an arc-shaped plate 7 is fixedly arranged on the inner side of the annular protection plate 5 at one end, close to the center of the base 1, of each horizontal U-shaped inserting rod 6, springs 8 are sleeved on the outer portions of the upper end and the lower end of each horizontal U-shaped inserting rod 6 between the inner side of the annular protection plate 5 and the arc-shaped plate 7, screw rods 9 are arranged in the middle portions of the horizontal U-shaped inserting rods 6, the utility model discloses a safety protection device for automobile, including screw rod 9, annular protection shield 5, screw rod 9, rotation axis 10, fixed hand wheel 11 that is provided with in 5 one end of annular protection shield, the fixed mounting 12 that is provided with in 5 outside upper ends of annular protection shield, the fixed first solid fixed ring 13 that is provided with in mounting 12 outside, a plurality of groups spacing hole 14 have evenly been seted up to 5 inside top of annular protection shield, 5 tops of annular protection shield are provided with visor 15, 15 lower extreme edge fixes and is provided with a plurality of groups and spacing hole 14 matched with spacing post 16 of visor 15, 15 up end edge of visor is fixed in first solid fixed ring 13 tops and is provided with the solid fixed ring 17 of second.
The base 1 is of a circular ring structure, and at least two mounting holes 2 are formed in the edge of the base 1 to limit the position of the base 1 by matching with the fixing columns 3; the fixing column 3 is nested in the mounting hole 2, the length of the fixing column 3 is larger than the thickness of the base 1, and the size of the top end of the fixing column 3 is larger than that of the mounting hole 2 so as to limit the base by matching with the mounting hole 2; the diameter of the circular mounting port 4 is larger than 1m, the circular mounting port 4 is prevented from being too small to fit a wellhead, and the circular mounting port 4 is located in the center of the base 1, so that the stability is improved; the annular protection plate 5 and the base 1 are integrally formed, the height of the annular protection plate 5 is larger than 30cm, the annular protection plate 5 is a metal product, and the stability and the protection effect of the annular protection plate 5 are improved; the horizontal length of the horizontal U-shaped inserted rod 6 is 1-2m, the adjustable range is expanded, and the upper end and the lower end of the horizontal U-shaped inserted rod 6 are fixedly connected with the arc-shaped plate 7 through screws, so that the structure is fixed and stable; the height of the arc-shaped plate 7 is 20-30cm, a rubber pad 18 is fixedly arranged on the inner side of the arc-shaped plate 7 through a screw, the thickness of the rubber pad 18 is 3-8cm, and the well wall is prevented from being damaged by over-hardening of the arc-shaped plate 7; the number of the limiting holes 14 is at least two, and the depth of the limiting holes 14 is more than 5cm and matched with the limiting columns 16 to enable the protective cover 15 to be limited stably; protection sponge 19 is arranged in the middle of the lower end of the protection cover 15, the protection sponge 19 is of a cylindrical structure, the thickness of the protection sponge 19 is larger than 5cm, and the protection sponge 19 extrudes the arc-shaped plate 7 to play a supporting and buffering role. A plurality of groups of pull rings 20 are vertically and fixedly arranged in the center of the upper end face of the protective cover 15, the number of the pull rings 20 is at least one, and the pull rings 20 are tightly welded on the protective cover 15, so that the protective cover 15 can be moved conveniently.
The working principle is as follows: when the adjustable well head protective device is used, the base 1 is sleeved outside a well head through the mounting port, the base 1 is fixed by the fixing column 3, the arc-shaped plate 7 is moved to be tightly attached to the outer wall of the well head by rotating the hand wheel 11 so as to stably fix the device integrally, the protective cover 15 is covered by the limiting hole 14 and the limiting column 16 in a matched manner so as to limit the position of the protective cover 15, the protective cover 15 is fixed and stabilized by a tool such as a rope and the like between the first fixing ring 13 and the second fixing ring 17, the annular protective plate 5 is matched with the protective cover 15 to completely protect the well head, the integral structure is stable, well falling accidents caused by the protective cover 15 turning open are prevented, the safety is high, meanwhile, the adjustable arc-shaped plate 7 enlarges the application range of the device, the diameter of the circular mounting port 4 is larger than 1m, the circular mounting port 4 is prevented from being too small to, the thickness of rubber pad 18 is 3-8cm, prevents that the arc 7 from destroying the wall of a well excessively hard, and visor 15 lower extreme middle part is provided with protection sponge 19, and protection sponge 19 is cylindrical structure, and the thickness of protection sponge 19 is greater than 5cm, and protection sponge 19 extrudes arc 7 and plays support and cushioning effect, and visor 15 up end central authorities vertical fixed are provided with a plurality of groups pull ring 20, are convenient for remove visor 15.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a beam-pumping unit well head safety arrangement, includes base (1), its characterized in that: the edge of the base (1) is internally provided with a plurality of groups of mounting holes (2), fixing columns (3) are arranged in the mounting holes (2), the upper end face of the base (1) is provided with a circular mounting opening (4), the upper end face of the base (1) is vertically and fixedly provided with an annular protection plate (5) between the circular mounting opening (4) and the edge of the base (1), two sides of the annular protection plate (5) are sleeved with horizontal U-shaped inserting rods (6) through the through holes, one ends of the horizontal U-shaped inserting rods (6) close to the center of the base (1) are fixedly provided with arc plates (7) at the inner sides of the annular protection plate (5), springs (8) are sleeved at the upper and lower ends of the horizontal U-shaped inserting rods (6) between the inner sides of the annular protection plate (5) and the arc plates (7), screw rods (9) are arranged at the middle parts of the horizontal U-shaped inserting rods (6) and the outer sides of, the screw rod (9) penetrates through the annular protection plate (5), the screw rod (9) is connected with the annular protection plate (5) in a threaded fit mode, one end, far away from the annular protection plate (5), of the screw rod (9 penetrates through the horizontal U-shaped inserted rod (6) and is fixedly provided with the rotating shaft (10) through the coupler, the rotating shaft (10) is far away from the annular protection plate (5) and is fixedly provided with the hand wheel (11), the upper end of the outer side of the annular protection plate (5) is fixedly provided with the fixing part (12), the outer side of the fixing part (12) is fixedly provided with the first fixing ring (13), a plurality of groups of limiting holes (14) are uniformly formed in the top end of the annular protection plate (5), the protective cover (15) is arranged above the annular protection plate (5), and a plurality of groups of limiting columns (16, and a second fixing ring (17) is fixedly arranged on the edge of the upper end face of the protective cover (15) above the first fixing ring (13).
2. The wellhead safety protection device of the pumping unit according to claim 1, characterized in that: the base (1) is of a circular ring structure, and the number of the mounting holes (2) in the edge of the base (1) is at least two.
3. The wellhead safety protection device of the pumping unit according to claim 1, characterized in that: the fixing column (3) is nested in the mounting hole (2), the length of the fixing column (3) is larger than the thickness of the base (1), and the size of the top end of the fixing column (3) is larger than that of the mounting hole (2).
4. The wellhead safety protection device of the pumping unit according to claim 1, characterized in that: the diameter of the circular mounting port (4) is larger than 1m, and the circular mounting port (4) is located in the center of the base (1).
5. The wellhead safety protection device of the pumping unit according to claim 1, characterized in that: the annular protection plate (5) and the base (1) are integrally formed, the height of the annular protection plate (5) is larger than 30cm, and the annular protection plate (5) is a metal product.
6. The wellhead safety protection device of the pumping unit according to claim 1, characterized in that: the horizontal length of the horizontal U-shaped inserted rod (6) is 1-2m, and the upper end and the lower end of the horizontal U-shaped inserted rod (6) are fixedly connected with the arc-shaped plate (7) through screws.
7. The wellhead safety protection device of the pumping unit according to claim 1, characterized in that: the height of the arc-shaped plate (7) is 20-30cm, a rubber pad (18) is fixedly arranged on the inner side of the arc-shaped plate (7) through screws, and the thickness of the rubber pad (18) is 3-8 cm.
8. The wellhead safety protection device of the pumping unit according to claim 1, characterized in that: the number of the limiting holes (14) is at least two, and the depth of the limiting holes (14) is larger than 5 cm.
9. The wellhead safety protection device of the pumping unit according to claim 1, characterized in that: protection sponge (19) are provided with in visor (15) lower extreme middle part, protection sponge (19) are cylindrical structure, the thickness of protection sponge (19) is greater than 5 cm.
10. The wellhead safety protection device of the pumping unit according to claim 1, characterized in that: the protective cover is characterized in that a plurality of groups of pull rings (20) are vertically and fixedly arranged in the center of the upper end face of the protective cover (15), the number of the pull rings (20) is at least one, and the pull rings (20) are tightly welded on the protective cover (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214980.3A CN108361005B (en) | 2018-03-15 | 2018-03-15 | Safety protection device for wellhead of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214980.3A CN108361005B (en) | 2018-03-15 | 2018-03-15 | Safety protection device for wellhead of oil pumping unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108361005A CN108361005A (en) | 2018-08-03 |
| CN108361005B true CN108361005B (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810214980.3A Active CN108361005B (en) | 2018-03-15 | 2018-03-15 | Safety protection device for wellhead of oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108361005B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997558B (en) * | 2020-08-11 | 2023-03-14 | 大庆市富隆达石油工程机械设备有限公司 | Oil field well head protection device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910359A (en) * | 1973-01-26 | 1975-10-07 | Albert J Childress | Safety guard for well drilling apparatus |
| EP1193367A1 (en) * | 2000-09-28 | 2002-04-03 | Compagnie Du Sol | Drilling or coring machine |
| CN2642990Y (en) * | 2003-08-15 | 2004-09-22 | 中国石油化工股份有限公司***分公司采油工程技术研究院 | Down-hole high pressure blowout prevention mechanical switch |
| EP2243923A1 (en) * | 2009-03-20 | 2010-10-27 | SOILMEC S.p.A. | Safety device for emergency interruption of the drilling maneuvres |
| CN202324770U (en) * | 2011-11-18 | 2012-07-11 | 中国石油化工集团公司 | Adjustable limiting device |
| CN104747124A (en) * | 2013-12-27 | 2015-07-01 | 天津正本电气股份有限公司 | Well head protection device for oil extraction machine |
| CN205401953U (en) * | 2016-03-07 | 2016-07-27 | 江苏新海石化有限公司 | Oil pipe way fixing base is taken out to oil in pit |
| CN106351610A (en) * | 2016-09-30 | 2017-01-25 | 盘锦禹帝科技实业有限公司 | Well mouth protection device and special tool |
| CN206191068U (en) * | 2016-11-21 | 2017-05-24 | 北京捷贝通石油技术有限公司 | Petroleum pipeline support |
| CN106968638A (en) * | 2017-06-08 | 2017-07-21 | 广汉川亿石油科技有限公司 | Suitable for the well head fixing device of oil-gas mining |
| CN206513336U (en) * | 2017-03-08 | 2017-09-22 | 京鸿石油钻采工程技术有限公司 | A kind of antitheft apparatus for oil extracting well head |
| CN206636530U (en) * | 2017-03-31 | 2017-11-14 | 长沙矿山研究院有限责任公司 | A kind of safety guard of goaf pressure release skylight well head |
-
2018
- 2018-03-15 CN CN201810214980.3A patent/CN108361005B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910359A (en) * | 1973-01-26 | 1975-10-07 | Albert J Childress | Safety guard for well drilling apparatus |
| EP1193367A1 (en) * | 2000-09-28 | 2002-04-03 | Compagnie Du Sol | Drilling or coring machine |
| CN2642990Y (en) * | 2003-08-15 | 2004-09-22 | 中国石油化工股份有限公司***分公司采油工程技术研究院 | Down-hole high pressure blowout prevention mechanical switch |
| EP2243923A1 (en) * | 2009-03-20 | 2010-10-27 | SOILMEC S.p.A. | Safety device for emergency interruption of the drilling maneuvres |
| CN202324770U (en) * | 2011-11-18 | 2012-07-11 | 中国石油化工集团公司 | Adjustable limiting device |
| CN104747124A (en) * | 2013-12-27 | 2015-07-01 | 天津正本电气股份有限公司 | Well head protection device for oil extraction machine |
| CN205401953U (en) * | 2016-03-07 | 2016-07-27 | 江苏新海石化有限公司 | Oil pipe way fixing base is taken out to oil in pit |
| CN106351610A (en) * | 2016-09-30 | 2017-01-25 | 盘锦禹帝科技实业有限公司 | Well mouth protection device and special tool |
| CN206191068U (en) * | 2016-11-21 | 2017-05-24 | 北京捷贝通石油技术有限公司 | Petroleum pipeline support |
| CN206513336U (en) * | 2017-03-08 | 2017-09-22 | 京鸿石油钻采工程技术有限公司 | A kind of antitheft apparatus for oil extracting well head |
| CN206636530U (en) * | 2017-03-31 | 2017-11-14 | 长沙矿山研究院有限责任公司 | A kind of safety guard of goaf pressure release skylight well head |
| CN106968638A (en) * | 2017-06-08 | 2017-07-21 | 广汉川亿石油科技有限公司 | Suitable for the well head fixing device of oil-gas mining |
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| Publication number | Publication date |
|---|---|
| CN108361005A (en) | 2018-08-03 |
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