CN204960869U - Simple and easy wellhead assembly of clamp formula - Google Patents
Simple and easy wellhead assembly of clamp formula Download PDFInfo
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- CN204960869U CN204960869U CN201520740840.1U CN201520740840U CN204960869U CN 204960869 U CN204960869 U CN 204960869U CN 201520740840 U CN201520740840 U CN 201520740840U CN 204960869 U CN204960869 U CN 204960869U
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- opening groove
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Abstract
(B, ) the utility model relates to a well head technical field is a simple and easy wellhead assembly of clamp formula, and it includes well head sealing joint, preceding semicircle clamp head, back semicircle clamp head and seal up and fill up that the rear side and the front side butt joint of back semicircle clamp head of preceding semicircle clamp head are in the same place, all is in the same place through connecting device fixed mounting with well head sealing joint's the upper portion outside in the lower part outside of preceding semicircle clamp head and the lower part outside of back semicircle clamp head. The utility model has the advantages of reasonable and compact structure, convenient to use is through semicircle clamp head, back semicircle clamp head, preceding half sealed pad, later half sealed pad and connecting device before the dismouting to under the latent pump of electricity, need not well head sealing joint's dismouting, need not rotate well head sealing joint promptly, thereby avoid PE pipe and cable to take place to intersect winding phenomenon, the site operations of being convenient for has reduced intensity of labour, has improved production efficiency, in addition, has lengthened when having protected the casing head the utility model discloses a life has reduced manufacturing cost. (B, )
Description
Technical field
the utility model relates to wellhead assembly technical field, is a kind of clamping hoop type Simple wellhead appts.
Background technology
in uranium ore ground-dipping uranium extraction technical process, often through entering pumping equipment (usually adopting electric submersible pump) under in drawing liquid hole, being evacuated to earth's surface containing mineral solution and being transported to after earth's surface factory carries out adsorbing, extract and dewater in stratum can be produced uranium product.When by entering electric submersible pump under wellhead assembly, the dedicated pipeline (usually adopting PE pipe) of the cable and connection ground feed-line that connect electric submersible pump is needed to be lowered into assigned address in drawing liquid hole together, in process of production, ground is lifted to gradually along with containing mineral solution, this just needs to ensure the sealing in the hole through pipeline and cable, overflows to prevent solution.In addition, the weight of electric submersible pump in bearing holes, cable and PE pipe is also needed.Under normal circumstances, wellhead assembly is threaded connection on casing head, because the wellhead assembly adopted at present is monolithic construction, this just causes in the process removing electric submersible pump, needs to be removed by wellhead assembly and install, when removing or install wellhead assembly, along with the rotation of wellhead assembly, cable and PE pipe can produce the phenomenon of cross winding, are not easy to field operation, increase labour intensity, reduce production efficiency.In addition, along with continuous dismounting and the installation of wellhead assembly, greatly reduce the application life of wellhead assembly, improve cost of production.
Summary of the invention
the utility model provides a kind of clamping hoop type Simple wellhead appts, overcomes the deficiency of above-mentioned prior art, and it effectively can solve the problem that cross winding easily occurs for cable that existing well mouth device exists in the process removing electric submersible pump and PE pipe.
the technical solution of the utility model is realized by following measures: a kind of clamping hoop type Simple wellhead appts, comprise wellhead sealing joint, front semicircle hoop, rear semicircle hoop and sealing mat, the rear side of front semicircle hoop and the front side of rear semicircle hoop are docking together, the lower outside of front semicircle hoop and the lower outside of rear semicircle hoop are all fixedly installed togather by linkage with the upper outside of wellhead sealing joint, between the rear side and the front side of rear semicircle hoop of front semicircle hoop, from a left side, the right side is provided with left installing hole and right installing hole, sealed groove is provided with between the lower inside and the lower inside of rear semicircle hoop of front semicircle hoop, sealing mat is fixedly mounted in the sealed groove above wellhead sealing joint, sealing mat comprises first half sealing mat and later half sealing mat, the rear side of first half sealing mat and the front side of later half sealing mat are docking together, between the rear side and the front side of later half sealing mat of first half sealing mat, from a left side, the right side is provided with the left limit hole corresponding up and down with left installing hole and the right limit hole corresponding up and down with right installing hole, internal thread or external screw thread is had in the bottom of wellhead sealing joint.
here is the further optimization and/or improvements to above-mentioned utility model technical scheme:
from a left side, the right side is provided with the first arc opening groove and the second arc opening groove to the rear side of above-mentioned front semicircle hoop, the first semicircle groove is provided with in the lower inside of front semicircle hoop, in the front side of rear semicircle hoop, from a left side, the right side is provided with the 3rd corresponding with the first arc opening groove and the second arc opening groove respectively arc opening groove and the 4th arc opening groove, second semicircle groove corresponding with the first semicircle groove is provided with in the lower inside of rear semicircle hoop, left installing hole is formed between the first arc opening groove and the 3rd arc opening groove, right installing hole is formed between the second arc opening groove and the 4th arc opening groove, sealed groove is formed between the first semicircle groove and the second semicircle groove, at the rear side of first half sealing mat from left and the right side is provided with the 5th arc opening groove and the 6th arc opening groove, in the front side of later half sealing mat, from a left side, the right side is provided with the 7th corresponding with the 5th arc opening groove and the 6th arc opening groove respectively arc opening groove and the 8th arc opening groove, the left limit hole corresponding up and down with left installing hole is formed between the 5th arc opening groove with the 7th arc opening groove, the right limit hole corresponding up and down with right installing hole is formed between the 6th arc opening groove with the 8th arc opening groove.
above-mentioned linkage comprises front clip and rear clip, left-hand thread hole and right-hand thread hole is respectively equipped with at the two ends, left and right of front clip, the left-hand thread connecting hole corresponding with left-hand thread hole and right-hand thread hole difference and right-hand thread connecting hole is respectively equipped with at the two ends, left and right of rear clip, the left end of front clip and rear clip is fixedly installed togather by left-hand thread hole, left-hand thread connecting hole, screw bolt and nut, and the right-hand member of front clip and rear clip is fixedly installed togather by right-hand thread hole, right-hand thread connecting hole, screw bolt and nut.
above-mentioned left limit hole is the left limit hole in frustum wide at the top and narrow at the bottom, and right limit hole is the right limit hole in frustum wide at the top and narrow at the bottom.
the outside of above-mentioned first half sealing mat and later half sealing mat is all fixed with outer raised line, has the stopper slot corresponding with outer raised line in sealed groove, and outer raised line is fixedly mounted in stopper slot.
external screw thread is arranged at the bottom of above-mentioned wellhead sealing joint; Or/and sealing mat is rubber gasket.
the utility model reasonable and compact in structure; easy to use; by semicircle hoop, rear semicircle hoop, first half sealing mat, later half sealing mat and linkage before dismounting; so that the removing of electric submersible pump; without the need to the dismounting of wellhead sealing joint; namely rotary portal seal nipple is not needed; thus avoid the phenomenon of PE pipe and cable generation cross winding; be convenient to field operation; reduce labour intensity, improve production efficiency, in addition; extend application life of the present utility model while protecting casing head, reduce cost of production.
Accompanying drawing explanation
the master that accompanying drawing 1 is arranged on casing head for the utility model most preferred embodiment looks sectional structure schematic diagram.
accompanying drawing 2 is the plan structure schematic diagram of front semicircle hoop.
accompanying drawing 3 is the backsight structural representation of front semicircle hoop.
accompanying drawing 4 is the plan structure schematic diagram of first half sealing mat.
accompanying drawing 5 is the backsight structural representation of first half sealing mat.
accompanying drawing 6 is the plan structure schematic diagram of front clip.
accompanying drawing 7 is the backsight structural representation of front clip.
coding in accompanying drawing is respectively: 1 is wellhead sealing joint, 2 is front semicircle hoop, 3 is rear semicircle hoop, 4 is the 3rd arc opening groove, 5 is the 4th arc opening groove, 6 is first half sealing mat, 7 is later half sealing mat, 8 is the 7th arc opening groove, 9 is the 8th arc opening groove, 10 is the first arc opening groove, 11 is the second arc opening groove, 12 is the first semicircle groove, 13 is the 5th arc opening groove, 14 is the 6th arc opening groove, 15 is front clip, 16 is rear clip, 17 is left-hand thread hole, 18 is right-hand thread hole, 19 is outer raised line, 20 is stopper slot, 21 is casing head, 22 is ground.
Detailed description of the invention
the utility model by the restriction of following embodiment, can not determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. determines according to the Butut direction of Figure of description 1.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1 to 7, this clamping hoop type Simple wellhead appts comprises wellhead sealing joint 1, front semicircle hoop 2, rear semicircle hoop 3 and sealing mat, the rear side of front semicircle hoop 2 and the front side of rear semicircle hoop 3 are docking together, the lower outside of front semicircle hoop 2 and the lower outside of rear semicircle hoop 3 are all fixedly installed togather by linkage with the upper outside of wellhead sealing joint 1, between the rear side and the front side of rear semicircle hoop 3 of front semicircle hoop 2, from a left side, the right side is provided with left installing hole and right installing hole, sealed groove is provided with between the lower inside and the lower inside of rear semicircle hoop 3 of front semicircle hoop 2, sealing mat is fixedly mounted in the sealed groove above wellhead sealing joint 1, sealing mat comprises first half sealing mat 6 and later half sealing mat 7, the rear side of first half sealing mat 6 and the front side of later half sealing mat 7 are docking together, between the rear side and the front side of later half sealing mat 7 of first half sealing mat 6, from a left side, the right side is provided with the left limit hole corresponding up and down with left installing hole and the right limit hole corresponding up and down with right installing hole, internal thread or external screw thread is had in the bottom of wellhead sealing joint 1.The utility model is when needs remove electric submersible pump; by semicircle hoop 2, rear semicircle hoop 3, first half sealing mat 6, later half sealing mat 7 and linkage before dismounting; be convenient to removing of electric submersible pump; without the need to the dismounting of wellhead sealing joint 1; namely rotary portal seal nipple 1 is not needed; thus avoid the phenomenon of PE pipe and cable generation cross winding; be convenient to field operation; reduce labour intensity; improve production efficiency; in addition, extend application life of the present utility model while protecting casing head 21, reduce cost of production.The setting of first half sealing mat 6 and later half sealing mat 7 tightly can embrace PE pipe and cable, ensures the sealing at left limit hole and right limit hole place, prevents solution from overflowing.
according to actual needs, above-mentioned clamping hoop type Simple wellhead appts can be made further optimization and/or improvements:
as shown in accompanying drawing 1 to 7, at the rear side of front semicircle hoop 2 from left and the right side is provided with the first arc opening groove 10 and the second arc opening groove 11, the first semicircle groove 12 is provided with in the lower inside of front semicircle hoop 2, in the front side of rear semicircle hoop 3, from a left side, the right side is provided with the 3rd corresponding with the first arc opening groove 10 and the second arc opening groove 11 respectively arc opening groove 4 and the 4th arc opening groove 5, second semicircle groove corresponding with the first semicircle groove 12 is provided with in the lower inside of rear semicircle hoop 3, left installing hole is formed between the first arc opening groove 10 and the 3rd arc opening groove 4, right installing hole is formed between the second arc opening groove 11 and the 4th arc opening groove 5, sealed groove is formed between the first semicircle groove 12 and the second semicircle groove, at the rear side of first half sealing mat 6 from left and the right side is provided with the 5th arc opening groove 13 and the 6th arc opening groove 14, in the front side of later half sealing mat 7, from a left side, the right side is provided with the 7th corresponding with the 5th arc opening groove 13 and the 6th arc opening groove 14 respectively arc opening groove 8 and the 8th arc opening groove 9, the left limit hole corresponding up and down with left installing hole is formed between the 5th arc opening groove 13 with the 7th arc opening groove 8, the right limit hole corresponding up and down with right installing hole is formed between the 6th arc opening groove 14 with the 8th arc opening groove 9.By docking of front semicircle hoop 2 and rear semicircle hoop 3 and docking of first half sealing mat 6 and later half sealing mat 7, the first arc opening groove 10 and the 3rd arc opening groove 4 is made to form left installing hole, the second arc opening groove 11 and the 4th arc opening groove 5 is made to form right installing hole, the 5th arc opening groove 13 and the 7th arc opening groove 8 is made to form left limit hole, the 6th arc opening groove 14 and the 8th arc opening groove 9 is made to form right limit hole, left installing hole, right installing hole, left limit hole and right limit hole be arranged so that PE pipe and cable pass through the utility model, improve use flexibility of the present utility model.
as shown in accompanying drawing 1 to 7, linkage comprises front clip 15 and rear clip 16, left-hand thread hole 17 and right-hand thread hole 18 is respectively equipped with at the two ends, left and right of front clip 15, the left-hand thread connecting hole corresponding with left-hand thread hole 17 and right-hand thread hole 18 difference and right-hand thread connecting hole is respectively equipped with at the two ends, left and right of rear clip 16, the left end of front clip 15 and rear clip 16 is by left-hand thread hole 17, left-hand thread connecting hole, screw bolt and nut is fixedly installed togather, the right-hand member of front clip 15 and rear clip 16 is by right-hand thread hole 18, right-hand thread connecting hole, screw bolt and nut is fixedly installed togather.Front clip 15 and rear clip 16 can be pulled down from wellhead sealing joint 1, front semicircle hoop 2 and rear semicircle hoop 3 by the front clip of dismounting 15 and rear clip 16, be convenient to the dismounting of front semicircle hoop 2 and rear semicircle hoop 3.
as required, left limit hole is the left limit hole in frustum wide at the top and narrow at the bottom, and right limit hole is the right limit hole in frustum wide at the top and narrow at the bottom.The setting in the left limit hole in frustum wide at the top and narrow at the bottom and the right limit hole in frustum wide at the top and narrow at the bottom, PE pipe and the sealing performance of cable in left limit hole and right limit hole can be ensured on the one hand, enable the utility model carry the weight of electric submersible pump, cable and PE pipe on the other hand.
as required, be all fixed with outer raised line 19 in the outside of first half sealing mat 6 and later half sealing mat 7, have the stopper slot 20 corresponding with outer raised line 19 in sealed groove, outer raised line 19 is fixedly mounted in stopper slot 20.The setting of outer raised line 19 and stopper slot 20 can improve the connectivity robustness between sealing mat and front semicircle hoop 2 and rear semicircle hoop 3.
as required, external screw thread is had in the bottom of wellhead sealing joint 1; Or/and sealing mat is rubber gasket.
above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
the use procedure of the utility model most preferred embodiment: first wellhead sealing joint 1 and the casing head 21 be positioned at above ground 22 are fixed together by screw thread, then, electric submersible pump is passed wellhead sealing joint 1 and is lowered into assigned address, then, front semicircle hoop 2 is docked with rear semicircle hoop 3, first half sealing mat 6 is docked with later half sealing mat 7 and is arranged in sealed groove, PE pipe is through left installing hole and left limit hole, cable is through right installing hole and right limit hole, and then, front clip 15 and rear clip 16 are tightened at front semicircle hoop 2, the outside of rear semicircle hoop 3 and wellhead sealing joint 1, left limit hole is made to hold PE pipe tightly, cable is held in right limit hole tightly, complete the sealing of PE pipe and cable, when electric submersible pump trips out by needs, by by front clip 15, rear clip 16, front semicircle hoop 2, rear semicircle hoop 3, first half sealing mat 6 and later half sealing mat 7 are after wellhead sealing joint 1 dismounting, just electric submersible pump can be tripped out in well, without the need to dismantling wellhead sealing joint 1.
Claims (10)
1. a clamping hoop type Simple wellhead appts, it is characterized in that comprising wellhead sealing joint, front semicircle hoop, rear semicircle hoop and sealing mat, the rear side of front semicircle hoop and the front side of rear semicircle hoop are docking together, the lower outside of front semicircle hoop and the lower outside of rear semicircle hoop are all fixedly installed togather by linkage with the upper outside of wellhead sealing joint, between the rear side and the front side of rear semicircle hoop of front semicircle hoop, from a left side, the right side is provided with left installing hole and right installing hole, sealed groove is provided with between the lower inside and the lower inside of rear semicircle hoop of front semicircle hoop, sealing mat is fixedly mounted in the sealed groove above wellhead sealing joint, sealing mat comprises first half sealing mat and later half sealing mat, the rear side of first half sealing mat and the front side of later half sealing mat are docking together, between the rear side and the front side of later half sealing mat of first half sealing mat, from a left side, the right side is provided with the left limit hole corresponding up and down with left installing hole and the right limit hole corresponding up and down with right installing hole, internal thread or external screw thread is had in the bottom of wellhead sealing joint.
2. clamping hoop type Simple wellhead appts according to claim 1, it is characterized in that the right side is provided with the first arc opening groove and the second arc opening groove to the rear side of front semicircle hoop from a left side, the first semicircle groove is provided with in the lower inside of front semicircle hoop, in the front side of rear semicircle hoop, from a left side, the right side is provided with the 3rd corresponding with the first arc opening groove and the second arc opening groove respectively arc opening groove and the 4th arc opening groove, second semicircle groove corresponding with the first semicircle groove is provided with in the lower inside of rear semicircle hoop, left installing hole is formed between the first arc opening groove and the 3rd arc opening groove, right installing hole is formed between the second arc opening groove and the 4th arc opening groove, sealed groove is formed between the first semicircle groove and the second semicircle groove, at the rear side of first half sealing mat from left and the right side is provided with the 5th arc opening groove and the 6th arc opening groove, in the front side of later half sealing mat, from a left side, the right side is provided with the 7th corresponding with the 5th arc opening groove and the 6th arc opening groove respectively arc opening groove and the 8th arc opening groove, the left limit hole corresponding up and down with left installing hole is formed between the 5th arc opening groove with the 7th arc opening groove, the right limit hole corresponding up and down with right installing hole is formed between the 6th arc opening groove with the 8th arc opening groove.
3. clamping hoop type Simple wellhead appts according to claim 1 and 2, it is characterized in that linkage comprises front clip and rear clip, left-hand thread hole and right-hand thread hole is respectively equipped with at the two ends, left and right of front clip, the left-hand thread connecting hole corresponding with left-hand thread hole and right-hand thread hole difference and right-hand thread connecting hole is respectively equipped with at the two ends, left and right of rear clip, the left end of front clip and rear clip is by left-hand thread hole, left-hand thread connecting hole, screw bolt and nut is fixedly installed togather, the right-hand member of front clip and rear clip is by right-hand thread hole, right-hand thread connecting hole, screw bolt and nut is fixedly installed togather.
4. clamping hoop type Simple wellhead appts according to claim 1 and 2, it is characterized in that left limit hole is the left limit hole in frustum wide at the top and narrow at the bottom, right limit hole is the right limit hole in frustum wide at the top and narrow at the bottom.
5. clamping hoop type Simple wellhead appts according to claim 3, it is characterized in that left limit hole is the left limit hole in frustum wide at the top and narrow at the bottom, right limit hole is the right limit hole in frustum wide at the top and narrow at the bottom.
6. clamping hoop type Simple wellhead appts according to claim 1 and 2, it is characterized in that the outside of first half sealing mat and later half sealing mat is all fixed with outer raised line, in sealed groove, have the stopper slot corresponding with outer raised line, outer raised line is fixedly mounted in stopper slot.
7. clamping hoop type Simple wellhead appts according to claim 3, it is characterized in that the outside of first half sealing mat and later half sealing mat is all fixed with outer raised line, in sealed groove, have the stopper slot corresponding with outer raised line, outer raised line is fixedly mounted in stopper slot.
8. clamping hoop type Simple wellhead appts according to claim 4, it is characterized in that the outside of first half sealing mat and later half sealing mat is all fixed with outer raised line, in sealed groove, have the stopper slot corresponding with outer raised line, outer raised line is fixedly mounted in stopper slot.
9. clamping hoop type Simple wellhead appts according to claim 5, it is characterized in that the outside of first half sealing mat and later half sealing mat is all fixed with outer raised line, in sealed groove, have the stopper slot corresponding with outer raised line, outer raised line is fixedly mounted in stopper slot.
10. clamping hoop type Simple wellhead appts according to claim 9, is characterized in that external screw thread is arranged at the bottom of wellhead sealing joint; Or/and sealing mat is rubber gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740840.1U CN204960869U (en) | 2015-09-23 | 2015-09-23 | Simple and easy wellhead assembly of clamp formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740840.1U CN204960869U (en) | 2015-09-23 | 2015-09-23 | Simple and easy wellhead assembly of clamp formula |
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| Publication Number | Publication Date |
|---|---|
| CN204960869U true CN204960869U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520740840.1U Active CN204960869U (en) | 2015-09-23 | 2015-09-23 | Simple and easy wellhead assembly of clamp formula |
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| CN (1) | CN204960869U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322634A (en) * | 2017-07-31 | 2019-02-12 | 中国石油天然气股份有限公司 | A kind of fixed device of well mouth of oil well |
| CN110890726A (en) * | 2018-09-11 | 2020-03-17 | 中国石油天然气股份有限公司 | Tool for bearing cable in well |
-
2015
- 2015-09-23 CN CN201520740840.1U patent/CN204960869U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322634A (en) * | 2017-07-31 | 2019-02-12 | 中国石油天然气股份有限公司 | A kind of fixed device of well mouth of oil well |
| CN109322634B (en) * | 2017-07-31 | 2021-01-01 | 中国石油天然气股份有限公司 | Oil well wellhead fixing device |
| CN110890726A (en) * | 2018-09-11 | 2020-03-17 | 中国石油天然气股份有限公司 | Tool for bearing cable in well |
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