CN204532209U - A kind of bearing-type well head plate - Google Patents
A kind of bearing-type well head plate Download PDFInfo
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- CN204532209U CN204532209U CN201520068436.4U CN201520068436U CN204532209U CN 204532209 U CN204532209 U CN 204532209U CN 201520068436 U CN201520068436 U CN 201520068436U CN 204532209 U CN204532209 U CN 204532209U
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- Prior art keywords
- head plate
- well head
- bearing
- described upper
- oralia
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- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model provides a kind of bearing-type well head plate, to include on one well head plate and once well head plate, the side of upper well head plate is inwardly provided with a upper shed, oralia side of going into the well inwardly is provided with a under shed, under shed is corresponding with the position of upper shed, be provided with a Horizontal limiting portion between the two, place of Horizontal limiting portion is placed with a bearing, the upper surface of bearing is resisted against the soffit of well head plate, its lower surface is positioned at the upper surface place of oralia of going into the well, the soffit of oralia of going into the well circumferentially is evenly equipped with multiple movable supporting legs that can vertically stretch, upper well head plate is provided with a retaining bolt, retaining bolt is across the external port place of upper shed along the bearing of trend of upper well head plate side, its one end and upper well head plate are articulated, what its other end can be separated is connected with upper well head plate.The utility model is seated at the downhole tool of well head plate by rotation and links together with coiled tubing, does not use non-rotating joint also can both be connected easily, can simplify the connection of coiled tubing and downhole tool.
Description
Technical field
The utility model belongs to rig tool technical field in oil and gas industry, relates to a kind of bearing-type well head plate that can use when coiled tubing drilling and repairing well.
Background technology
Coiled tubing, also known as continuous-tube or coiled tubing, be the tubing made of low-carbon alloy steel, have good flexibility, can be wrapped on cylinder, a few km of the continuous pipe range of one volume, conventional oil pipe can be replaced to carry out a lot of operation, the feature that continuous-tube implement has Operating Pressure, removes continuously, equipment volume is little, duty cycle is fast, and cost is low.
The nineties in 20th century, the value of coiled tubing just really be familiar with by people, coiled tubing technology obtains the development of advancing by leaps and bounds.Continuous oil pipe operation device is described as " omnipotent working rig ", is widely used in the operations such as the drilling well of oil gas field, completion, well logging, well workover, has almost run through the overall process of oil-gas mining.
At present, when connecting the execute-in-place of coiled tubing and downhole tool, because coiled tubing itself can not rotate, needing to use non-rotating joint, by this joint, the connector of coiled tubing and downhole tool one end all do not rotated and link together.
In view of this, the design people, according to the Production design experience being engaged in this area and association area for many years, develops a kind of bearing-type well head plate, to solving prior art Problems existing.
Utility model content
The purpose of this utility model is to provide a kind of bearing-type well head plate, be seated at the downhole tool of well head plate by rotation and link together with coiled tubing, do not use non-rotating joint can both be connected easily yet, the connection of coiled tubing and downhole tool can be simplified.
For this reason, the utility model proposes a kind of bearing-type well head plate, it to include on one well head plate and once well head plate, the side of described upper well head plate is concaved with a upper shed, described oralia side of going into the well is concaved with a under shed, described under shed is corresponding with the position of described upper shed, be provided with a Horizontal limiting portion between the two, place of described Horizontal limiting portion is placed with a bearing, the upper surface of described bearing is resisted against the soffit of described upper well head plate, go into the well described in its lower surface is positioned at the upper surface place of oralia, the soffit of described oralia of going into the well circumferentially is evenly equipped with multiple movable supporting legs that can vertically stretch, described upper well head plate is provided with a retaining bolt, described retaining bolt is across the external port place of described upper shed along the bearing of trend of described upper well head plate side, its one end and described upper well head plate are articulated, what its other end can be separated is connected with described upper well head plate.
Bearing-type well head plate as above, wherein, described bearing is enclosed by the bearing portion correspondence of two semi-circular shape and forms, described bearing portion include from top to bottom set gradually one on blowout patche, multiple ball and a bottom race, described upper blowout patche and bottom race are semi-circular shape, described bottom race upper surface is circumferentially provided with arc groove on, the soffit of described upper blowout patche is circumferentially provided with arc groove, described lower arc groove is corresponding with described upper arc groove, and what each described ball can roll successively is arranged between described upper arc groove and lower arc groove.
Bearing-type well head plate as above, wherein, the inner of described upper shed be on described on well head plate recessed formation semicircular inner, the inner of described under shed is semicircular lower the inner of recessed formation on described oralia of going into the well, the diameter of described upper the inner and lower the inner is identical, the A/F of described upper shed is identical with the diameter of described upper the inner, and the A/F of described under shed is identical with the diameter of described lower the inner.
Bearing-type well head plate as above, wherein, described Horizontal limiting portion comprises multiple upper arresting pin and multiple lower limit pin, each described upper arresting pin is then disposed on along the outward flange of described upper the inner on the soffit of described upper well head plate, to go into the well described in each described lower limit pin is disposed on along the outward flange of described lower the inner the upper surface of oralia, the lower end of each described upper arresting pin is relative with the upper end of each described lower limit pin, described bearing is positioned over each described upper arresting pin and lower limit pin encloses in the space of formation, its internal diameter is equal to or greater than the diameter of described upper the inner and lower the inner.
Bearing-type well head plate as above, wherein, the upper surface of described upper well head plate is provided with a connecting pin, what one end of described retaining bolt can be rotated by sleeve joint hole is set on described connecting pin, its other end is provided with perforation, described upper well head plate corresponds to described perforation and is provided with a pin-and-hole, and a latch corresponding inserted is in described perforation and pin-and-hole.
Bearing-type well head plate as above, wherein, described upper well head plate is separately provided with two handrails relatively, and wherein handrail described in is near one end of described retaining bolt, and handrail described in another is near the other end of described retaining bolt.
Bearing-type well head plate as above, wherein, supporting leg in the outer supporting leg and that described movable supporting legs includes a hollow, the upper port of described outer supporting leg is connected with the soffit of described oralia of going into the well, its lower port place is equipped with described interior supporting leg, the sidewall of described outer supporting leg is vertically provided with multiple outer screw, described interior supporting leg is vertically provided with multiple inner bolt hole, bolt correspondence is bolted in wherein outer screw described in one and wherein inner bolt hole described in.
Bearing-type well head plate as above, wherein, described outer supporting leg and interior supporting leg are cross section is square or circular pipe steel.
Bearing-type well head plate as above, wherein, the quantity of described movable supporting legs is 4, goes into the well on the corner of oralia described in correspondence is circumferentially arranged at.
The bearing-type well head plate that the utility model provides, when operating at the scene, the height of bearing-type well head plate can be regulated according to the height of well head, rotate the downhole tool being seated at well head plate easily, and the connector of coiled tubing and downhole tool one end is linked together, save and use non-rotating joint, thus simplify the connection of coiled tubing and downhole tool.
Accompanying drawing explanation
Fig. 1 is the perspective view of bearing-type well head plate of the present utility model;
Fig. 2 is the structural representation of upper well head plate in the utility model;
Fig. 3 is the upward view of upper well head plate in the utility model;
Fig. 4 is the structural representation of oralia of going into the well in the utility model, not shown interior supporting leg;
Fig. 5 is the stereogram of interior supporting leg in the utility model;
Fig. 6 is the sectional view of movable supporting legs in the utility model;
Fig. 7 is the schematic perspective view of retaining bolt in the utility model;
Fig. 8 is the structural representation of the utility model middle (center) bearing;
Fig. 9 is the partial schematic diagram of the utility model middle (center) bearing.
Critical element label declaration:
Well head plate 10 upper shed on 1
Inner on 101
11 retaining bolt 110 sleeve joint holes
111 perforation 12 upper arresting pins
13 connecting pin 14 pin-and-holes
15 latch 16 handrails
2 go into the well oralia 20 under shed
201 times the inners
The outer supporting leg of 21 movable supporting legs 211
Supporting leg in the outer screw 212 of 211a
212a inner bolt hole 213 bolt
22 lower limit pins
3 bearing 31 bearing portions
Blowout patche 312 ball on 311
313 bottom race 314 arc grooves
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model be described:
Fig. 1 is the perspective view of bearing-type well head plate of the present utility model; Fig. 2 is the structural representation of upper well head plate in the utility model; Fig. 3 is the upward view of upper well head plate in the utility model; Fig. 4 is the structural representation of oralia of going into the well in the utility model, not shown interior supporting leg; Fig. 5 is the stereogram of interior supporting leg in the utility model; Fig. 6 is the sectional view of movable supporting legs in the utility model; Fig. 7 is the schematic perspective view of retaining bolt in the utility model; Fig. 8 is the structural representation of the utility model middle (center) bearing; Fig. 9 is the partial schematic diagram of the utility model middle (center) bearing.
See Fig. 1, the bearing-type well head plate that the utility model proposes, it to include on one well head plate 1 and once well head plate 2, the side of described upper well head plate 1 is concaved with a upper shed 10, described oralia 2 side of going into the well is concaved with a under shed 20, described under shed 20 is corresponding with the position of described upper shed 10, be provided with a Horizontal limiting portion between the two, place of described Horizontal limiting portion is placed with a bearing 3, this bearing 3 can be a thrust bearing, its upper surface is resisted against the soffit of described upper well head plate 1, go into the well described in its lower surface is positioned at the upper surface place of oralia 2, the soffit of described oralia 2 of going into the well circumferentially is evenly equipped with multiple movable supporting legs 21 that can vertically stretch, described upper well head plate 1 is provided with a retaining bolt 11, described retaining bolt 11 is across the external port place of described upper shed 10 along the bearing of trend of described upper well head plate 1 side, namely described retaining bolt 11 is across the external port place of described upper shed 10 along the width of described upper shed 10, its one end and described upper well head plate 1 are articulated, what its other end can be separated is connected with described upper well head plate 1.
Refer to Fig. 8, Fig. 9, described bearing 3 is enclosed by bearing portion 31 correspondence of two semi-circular shape and forms, described bearing portion 31 include from top to bottom set gradually one on blowout patche 311, multiple ball 312 and a bottom race 313, described upper blowout patche 311 and bottom race 313 are semi-circular shape, described bottom race 313 upper surface is circumferentially provided with arc groove 314 on, the soffit of described upper blowout patche 311 is circumferentially provided with arc groove (not shown), described lower arc groove is corresponding with described upper arc groove 314, what each described ball 312 can roll successively is arranged between described upper arc groove 314 and lower arc groove.When practical application, by this bearing 3 is divided into two parts, can easily go into the well on oralia 2 install or remove bearing, in addition, when making, directly radially binary Linear cut can be carried out to existing bearing, above-mentioned bearing portion can be obtained, convenient operation.
As shown in Figures 2 to 4, the inner of described upper shed 10 be on described on well head plate 1 recessed formation semicircular inner 101, the inner of described under shed 20 is semicircular lower inner 201 of recessed formation on described oralia 1 of going into the well, described inner 101 and the lower diameter of inner 201 identical, the A/F of described upper shed 1 is identical with the described diameter of inner 101, and the A/F of described under shed 20 is identical with the described lower diameter of inner 201.By arranging semicircular inner 101 and lower inner 201, be convenient to instrument under lower going-into-well, as on this inner 101 and the lower diameter of inner 201, be only greater than the maximum outside diameter of downhole tool, to meet putting into of downhole tool, in this no limit for concrete numerical value; After downhole tool has been connected with coiled tubing, utilize upper shed 10 and under shed 20, then can easily upper well head plate and oralia of going into the well have been removed from downhole tool.
Please also refer to Fig. 3, Fig. 4, described Horizontal limiting portion comprises multiple upper arresting pin 12 and multiple lower limit pin 22, each described upper arresting pin 12 is disposed on the soffit of described upper well head plate 1 along the described outward flange of inner 101, to go into the well described in each described lower limit pin 22 is disposed on along the described lower outward flange of inner 201 upper surface of oralia 2, the lower end of each described upper arresting pin 22 is relative with the upper end of each described lower limit pin 12, described bearing 3 is positioned over each described upper arresting pin 12 and lower limit pin 22 encloses in the space of formation, its internal diameter is equal to or greater than described inner 101 and the lower diameter of inner 201.When applying at the scene, first bearing 3 is placed between each lower limit pin 22, again upper well head plate 1 is placed on bearing 3, the outer peripheral edge of bearing 3 upper end is made to be located between each upper arresting pin 12, setting like this, Horizontal limiting can be carried out to bearing 3, realize relatively rotating of upper well head plate 1 and oralia 2 of going into the well by bearing 3 again, meet and use needs.
Further, the upper surface of described upper well head plate 1 is provided with a connecting pin 13, what one end of described retaining bolt 11 can be rotated by sleeve joint hole 110 is set on described connecting pin 13, its other end is provided with perforation 111 (see Fig. 7), described upper well head plate 1 corresponds to described perforation 111 and is provided with pin-and-hole 14, latch 15 corresponding inserted in described perforation 111 and pin-and-hole 14.When downhole tool is in upper inner 101 of described upper well head plate 1, this retaining bolt 11 can prevent well head plate 1 from departing from along the external port of upper shed 10 and downhole tool.
For ease of carrying upper well head plate 1, described upper well head plate 1 is separately provided with two handrails 16 relatively, and wherein handrail 16 described in is near one end of described retaining bolt 11, and handrail 16 described in another is near the other end of described retaining bolt 11.
Refer to Fig. 1, Fig. 4 and Fig. 5, supporting leg 212 in the outer supporting leg 211 and that described movable supporting legs 21 includes a hollow, the upper port of described outer supporting leg 211 is connected with described soffit of going into the well oralia 2, its lower port place is equipped with described interior supporting leg 212, the sidewall of described outer supporting leg 211 is vertically provided with multiple outer screw 211a, described interior supporting leg 212 is vertically provided with multiple inner bolt hole 212a, bolt 213 correspondence is bolted in wherein outer screw 211a described in one and wherein inner bolt hole 212a described in, relatively to fix described outer supporting leg 211 and interior supporting leg 212.When needing the height regulating oralia 2 of going into the well, bolt 213 is taken out, by moving up and down in interior supporting leg 212 outside supporting leg 211, the length of adjustment movable supporting legs 21, instantly, when the position of well head plate is adjusted to proper height, bolt 213 is bolted in corresponding outer screw 211a and inner bolt hole 221a.
As shown in Figure 6, described outer supporting leg 211 and interior supporting leg 221 are box section steel for cross section, are not limited thereto when reality uses, and such as described outer supporting leg 211 and interior supporting leg 221 also can be other structural shapes such as round tube steel.
In addition, in the construction shown in fig. 1, for improving overall stability, the quantity of preferred described movable supporting legs 21 is 4, goes into the well on the corner of oralia 2 described in correspondence is circumferentially arranged at.
The bearing-type well head plate that the utility model proposes, operationally in advance oralia 2 of going into the well is positioned in the well head place on rig floor, and the height of drilling floor surface is exposed according to the lubricator that job site is installed, the length of adjustment movable supporting legs 21, the oralia 2 that makes to go into the well equals apart from the height of drilling floor surface or exposes the height of drilling floor surface slightly larger than lubricator; Downhole tool is winched to well head hovering, the oralia 2 that makes to go into the well lower inner 201 with shaft mouth anti-blowout pipe centering, be arranged on well head place by the lower end of interior supporting leg 212 oralia 2 of going into the well; Being arranged on by bearing 3 goes into the well in each spacer pin 22 of oralia 2, and upper well head plate 1 is placed on bearing 3, make the outer peripheral edge of bearing 3 upper end between each lower limit pin 12, subsequently retaining bolt 111 and latch 15 are arranged on upper well head plate 1, complete the installation of bearing-type well head plate, under the effect of bearing 3, upper well head plate 1 can rotate smoothly relative to oralia 2 of going into the well;
With elevator or safety slip, the downhole tool of well head is seated on bearing-type well head plate, successively motor head and connector is connected to downhole tool, make motor head be seated on bearing-type well head plate; Well head plate in utilization, oralia of going into the well can feature in relative rotation, the downhole tool be seated on bearing-type well head plate is slowly rotated with chain wrench or pipe wrench, coiled tubing and connector are aligned and grafting, tighten the screw on connector, complete the connection of downhole tool and coiled tubing; Dismantle latch 15, retaining bolt 11 successively, utilize upper shed 10, under shed 20, upper well head plate 1, bearing 3 and oralia 2 of going into the well are taken off from downhole tool, to remove the utility model from well head, subsequently, lubricator upper end is connected blowout prevention box, and by coiled tubing by lubricator and blowout prevention box G.I.H, carries out subsequent job.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (10)
1. a bearing-type well head plate, it is characterized in that, described bearing-type well head plate to include on one well head plate and once well head plate, the side of described upper well head plate is concaved with a upper shed, described oralia side of going into the well is concaved with a under shed, described under shed is corresponding with the position of described upper shed, be provided with a Horizontal limiting portion between the two, place of described Horizontal limiting portion is placed with a bearing, the upper surface of described bearing is resisted against the soffit of described upper well head plate, go into the well described in its lower surface is positioned at the upper surface place of oralia, the soffit of described oralia of going into the well circumferentially is evenly equipped with multiple movable supporting legs that can vertically stretch, described upper well head plate is provided with a retaining bolt, described retaining bolt is across the external port place of described upper shed along the bearing of trend of described upper well head plate side, its one end and described upper well head plate are articulated, what its other end can be separated is connected with described upper well head plate.
2. bearing-type well head plate as claimed in claim 1, it is characterized in that, described bearing is enclosed by the bearing portion correspondence of two semi-circular shape and forms, described bearing portion include from top to bottom set gradually one on blowout patche, multiple ball and a bottom race, described upper blowout patche and bottom race are semi-circular shape, described bottom race upper surface is circumferentially provided with arc groove on, the soffit of described upper blowout patche is circumferentially provided with arc groove, described lower arc groove is corresponding with described upper arc groove, what each described ball can roll successively is arranged between described upper arc groove and lower arc groove.
3. bearing-type well head plate as claimed in claim 1 or 2, it is characterized in that, the inner of described upper shed be on described on well head plate recessed formation semicircular inner, the inner of described under shed is semicircular lower the inner of recessed formation on described oralia of going into the well, the diameter of described upper the inner and lower the inner is identical, the A/F of described upper shed is identical with the diameter of described upper the inner, and the A/F of described under shed is identical with the diameter of described lower the inner.
4. bearing-type well head plate as claimed in claim 3, it is characterized in that, described Horizontal limiting portion comprises multiple upper arresting pin and multiple lower limit pin, each described upper arresting pin is then disposed on along the outward flange of described upper the inner on the soffit of described upper well head plate, to go into the well described in each described lower limit pin is disposed on along the outward flange of described lower the inner the upper surface of oralia, the lower end of each described upper arresting pin is relative with the upper end of each described lower limit pin, described bearing is positioned over each described upper arresting pin and lower limit pin encloses in the space of formation, its internal diameter is equal to or greater than the diameter of described upper the inner and lower the inner.
5. the bearing-type well head plate as described in claim 1 or 4, it is characterized in that, the upper surface of described upper well head plate is provided with a connecting pin, what one end of described retaining bolt can be rotated by sleeve joint hole is set on described connecting pin, its other end is provided with perforation, described upper well head plate corresponds to described perforation and is provided with a pin-and-hole, and a latch corresponding inserted is in described perforation and pin-and-hole.
6. bearing-type well head plate as claimed in claim 5, it is characterized in that, described upper well head plate is separately provided with two handrails relatively, and wherein handrail described in is near one end of described retaining bolt, and handrail described in another is near the other end of described retaining bolt.
7. the bearing-type well head plate as described in claim 1 or 6, it is characterized in that, supporting leg in the outer supporting leg and that described movable supporting legs includes a hollow, the upper port of described outer supporting leg is connected with the soffit of described oralia of going into the well, its lower port place is equipped with described interior supporting leg, the sidewall of described outer supporting leg is vertically provided with multiple outer screw, described interior supporting leg is vertically provided with multiple inner bolt hole, bolt correspondence is bolted in wherein outer screw described in one and wherein inner bolt hole described in.
8. bearing-type well head plate as claimed in claim 7, it is characterized in that, described outer supporting leg and interior supporting leg are cross section is square or circular pipe steel.
9. the bearing-type well head plate as described in claim 1 or 8, is characterized in that, the quantity of described movable supporting legs is 4, goes into the well on the corner of oralia described in correspondence is circumferentially arranged at.
10. bearing-type well head plate as claimed in claim 1, it is characterized in that, described upper well head plate is separately provided with two handrails relatively, and wherein handrail described in is near one end of described retaining bolt, and handrail described in another is near the other end of described retaining bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520068436.4U CN204532209U (en) | 2015-01-30 | 2015-01-30 | A kind of bearing-type well head plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520068436.4U CN204532209U (en) | 2015-01-30 | 2015-01-30 | A kind of bearing-type well head plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204532209U true CN204532209U (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520068436.4U Expired - Fee Related CN204532209U (en) | 2015-01-30 | 2015-01-30 | A kind of bearing-type well head plate |
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| Country | Link |
|---|---|
| CN (1) | CN204532209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763791A (en) * | 2019-02-27 | 2019-05-17 | 杨道财 | A kind of well head anti-rotation device |
-
2015
- 2015-01-30 CN CN201520068436.4U patent/CN204532209U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763791A (en) * | 2019-02-27 | 2019-05-17 | 杨道财 | A kind of well head anti-rotation device |
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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 |
Granted publication date: 20150805 |
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| CF01 | Termination of patent right due to non-payment of annual fee |