CN202249932U - Hot tapping device for oilfield gate valve - Google Patents
Hot tapping device for oilfield gate valve Download PDFInfo
- Publication number
- CN202249932U CN202249932U CN2011203448312U CN201120344831U CN202249932U CN 202249932 U CN202249932 U CN 202249932U CN 2011203448312 U CN2011203448312 U CN 2011203448312U CN 201120344831 U CN201120344831 U CN 201120344831U CN 202249932 U CN202249932 U CN 202249932U
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- Prior art keywords
- pressure
- oil field
- open holes
- slide valve
- feeding mechanism
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- Expired - Fee Related
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Abstract
The utility model discloses a hot tapping device for an oilfield gate valve, wherein a new valve is arranged after a damaged wellhead gate valve and gate valves at end parts of various pressure pipelines of the damaged wellhead gate valve are retained. The hot tapping device comprises a drilling mechanism, a manual feeding mechanism and a pressure control part, wherein the drilling mechanism is partially connected with the pressure control part through the manual feeding mechanism, and sealing members are respectively arranged in the pressure control part and the manual feeding mechanism. The pressure control part is connected with the damaged gate valve, the manual feeding mechanism is used for operating the drilling mechanism to performing drilling on a gate of the damaged gate valve, and a new control valve is used to rapidly recover production or carry out other subsequent constriction operations. The hot tapping device is low in investment cost, can be used for solving the damage problems of various control valves of pressure wells and at the end parts of a gathering pipeline network, provides a repair tool for controlling the well shut-down caused by the damaged control valve and the pressure control rebuilding of the gathering pipeline network, and meets the requirement for repairing common coupling type control valves and flange type control valves.
Description
Technical field
The utility model relates to repair apparatus, particularly oil field that the petroleum industry band presses slide valve with slide valve press and open holes device, after being detained of well head slide valve that is used for having damaged and various band pressure pipelines end slide valve thereof new valve is installed again.
Background technology
Slide valve is widely used in the production in oil field, mainly contains two kinds by the connected mode classification, and a kind of is clamp connection type, and another kind is a flange join type.Be mainly used in various well heads and the collection transmission pipe network, like oil well, water injection well, gas well, gas transmission line, petroleum pipeline etc.In the oil well production process, mainly come oil and gas production in the control well through the production wellhead valve.In the long-term use of head valve, because corrosion causes flashboard to come off or the flashboard screw mandrel wrecks etc., cause valve to open.After above-mentioned fault appears in valve, stop up the communication passage of oil well, hindered oil well ordinary production and job execution, caused the field produces loss.If use the valve that to change to go to work braving one's illness, bring great potential safety hazard; If do not administer the valve that has damaged, just can only stop well, cause enormous economic loss.How to the end by-pass valve control press and open holes operation of the head valve and the collection transmission pipe network of oil, gas, well; Rebulid new control device; Be to carry out oil, gas, the follow-up construction of well; Recovering the most effectual way of capacity of oilwell, also is the effective method that recovers that collection transmission pipe network produces.The scene needs a kind of device to solve the reparation problem of damaging flashboard valve.
Summary of the invention
The purpose of the utility model is to provide the oil field with slide valve press and open holes device; The by-pass valve control that is used for oil, gas, well, and the band of various collection transmission pipe networks end valve pressure reparation problem rebulid new control device; Return to normal production, reduce production costs.
The technical scheme of the utility model is: the oil field comprises drilling mechanism, hand feeding mechanism and pressure control section with slide valve press and open holes device; Drilling mechanism is connected with the pressure control section through hand feeding mechanism, and seal all is housed in pressure control section and hand feeding mechanism.The pressure control section is connected with the slide valve that has damaged; Handle drilling mechanism perforate on the flashboard that damages slide valve through hand feeding mechanism; And the by-pass valve control of pressure control section stayed on former valve; Set up new gas-liquid channel, use new by-pass valve control, resume production rapidly or carry out other follow-up construction operations.
The beneficial effect of the utility model is: the seal of 1, installing in the utility model, and the perforate operation process is carried out under the totally-enclosed condition, job safety is reliable.2, the hand feeding mechanism feeding is even, the pressure of the drill stable, and is flexible to operation, is convenient to the processing of abnormal conditions.3, drill bit is connected with drilling rod through screw thread, and the connection handle of various sizes drill bit is identical, when other demands or drill bit damage, can change drill bit easily, and bit diameter can be selected between Φ 30mm～Φ 50 mm as requested.4, this device is through the fluid motor-driven on production rig or the existing hydraulic pump driving device of other equipment, and its moment of torsion is big, and power is steady, and is more convenient at the oil gas well construction of unregulated power supply, remoteness.5, this device input cost is low, can effectively solve the damage problem of the by-pass valve control of various band kill-jobs and collection transmission pipe network end, for by-pass valve control damages the pressure control reconstruction that stops well, collection transmission pipe network that causes fix tool is provided, and has obviously reduced cost of production.6, the utility model has satisfied the reparation needs of clamping hoop type by-pass valve control commonly used and flange form by-pass valve control, has tangible economic benefit and social benefit.
Description of drawings
Fig. 1 is the structural representation that is used for the utility model of clamping hoop type by-pass valve control.
Fig. 2 is the connection sketch map that is used for the utility model of flange join type by-pass valve control.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description.
Embodiment one
The oil field comprises drilling mechanism, hand feeding mechanism and pressure control section with slide valve press and open holes device, and drilling mechanism is connected with the pressure control section through hand feeding mechanism, and seal all is housed in pressure control section and hand feeding mechanism.Drilling mechanism comprises hydraulic motor 1, drilling rod 4 and drill bit 5, and the upper end of drilling rod 4 is connected with the output shaft 2 of hydraulic motor 1, and its bottom is connected with drill bit 5; The upper end of drilling rod 4 is provided with the suspension shoulder, is loaded in the upper shell 9, and upper shell 9 is connected with the lower case of hydraulic motor 1.The upper end of drilling rod 4 is splined holes 3, and the output shaft 2 of hydraulic motor 1 is a splined shaft, and splined hole 3 is connected with output shaft 2.The top of drilling rod 4 suspension shoulders is provided with thrust bearing 6, and the below of suspension shoulder is provided with plane bearing 7; The connection handle of said drilling rod 4 and drill bit 5 is through being threaded; The bit diameter of drill bit 5 is set between the 30mm-50mm, and its connection handle is measure-alike, and the drill bit 5 that can make multiple size is subsequent use.Hand feeding mechanism comprises lower shell 10, hollow screw mandrel 14, application of force sleeve 11 and connector 18, and the internal thread of lower shell 10 is connected with the external screw thread of hollow screw mandrel 14; The upper end of lower shell 10 is connected with branch sleeve, its lower end is connected with application of force sleeve 11, and the lower end of hollow screw mandrel 14 is connected with connector 18; On the cylindrical shell of application of force sleeve 11, be provided with application of force handle 12 and shop bolt 13.Hollow screw mandrel 14 is provided with a cover roller bearing 8 at least with the junction of connector 18, and many covers can be set, and drilling rod 4 is set upright, so that drilling rod 4 is placed in the middle.The seal that hollow screw mandrel 14 lower lumen are installed is a sealing ring 15.The pressure control section comprises clip pipe nipple 19, slips 21 and clamping hoop type by-pass valve control 20, is connected through slips 21 between clip pipe nipple 19 and the clamping hoop type by-pass valve control 20.With the lower end cylindrical of the two ends holding dog pipe nipple 19 of slips 21 and the upper end cylindrical of clamping hoop type by-pass valve control 20.In the top of clip pipe nipple 19 circle and connector 18 through be threaded, circle is installed pressure ring 16 and seal, its underpart cylindrical shell setting pressure table 24 and atmospheric valve 23 in the center, pressure meter 24 and atmospheric valve 23 all with interior round connection of 19 of clip pipe nipple; The lower end of clamping hoop type by-pass valve control 20 is clip heads 22, and the clip head also is equipped with in its upper end, and the clip head all is equipped with at the by-pass valve control two ends of clamp connection type, is connected by the outer end of clip head 22 with the clamping hoop type by-pass valve control that has damaged.The seal that circle is installed in clip pipe nipple 19 middle parts is cartridge 17 or sealing ring.If the installation sealing ring just is placed on the below of pressure ring 16, be put on the shoulder of circle in clip pipe nipple 19 middle parts.The top cylindrical of cartridge 17 is provided with shoulder and cooperates with the shoulder of circle in clip pipe nipple 19 middle parts, and its underpart cylindrical is the taper cylindrical, preferably uses cartridge 17 sealings, and its sealing effectiveness is reliable.
Embodiment two
Referring to Fig. 2, the pressure control section of the utility model comprises flange spool 27 and flange form by-pass valve control 28, is connected through bolt between flange spool 27 and the flange form by-pass valve control 28; In the top of flange spool 27 circle and connector 18 through be threaded, circle is installed pressure ring 16 and seal, its underpart cylindrical shell setting pressure table 24 and atmospheric valve 23 in the center, pressure meter 24 and atmospheric valve 23 all with interior round connection of flange spool 27.The bottom of flange spool 27 is that the flange joint face is connected with the flange joint face of flange form by-pass valve control 28 upper ends.Flange joint face by flange form by-pass valve control 28 bottoms is connected through bolt with the flange form by-pass valve control that has damaged.In the present embodiment, except that pressure control section and embodiment one were different, other was all identical.The utility model has satisfied the reparation needs of clamping hoop type by-pass valve control commonly used and flange form by-pass valve control.
Concrete method for using is following: referring to Fig. 1 and Fig. 2, when using the utility model, at first basis has been damaged the gauge size of valve and the drill bit 5 that the aperture requires to select corresponding size.According to the type of by-pass valve control, the flange joint face of the utility model through clip head 22 or flange form by-pass valve control 28 is fixed on the by-pass valve control that has damaged, prepare by-pass valve control perforate to having damaged.Clamping hoop type by-pass valve control 20 or flange form by-pass valve control 28 are opened at utmost; Inject a certain amount of lubrication oil from atmospheric valve 23 to cartridge 17 and in by the cavity of perforate valve formation; Close atmospheric valve 23 again, lubrication oil is used for cools reamer head 5 and drilling cuttings.Use the hydraulic pump of workover rig or other equipment to be connected with oil outlet 26 with the fuel feed hole 25 of hydraulic motor 1,, make its output shaft 2 rotations, and drive drilling rod 4, drill bit 5 rotate together to hydraulic motor 1 fuel feeding through hydraulic line.Rotation application of force handle 12 makes drilling rod 4, drill bit 5 to being moved by the flashboard of perforate by-pass valve control, until with contacted by the flashboard of perforate valve.Continue slow Rotating with Uniform application of force handle 12, apply the pressure of the drill for drill bit 5, feel relieved and creep into perforate.This moment can through in 24 pairs of wells of pressure meter or the pressure of collection transmission pipe network monitor, until all drilling flashboard.Reverse rotation application of force handle 12 is withdrawn into clamping hoop type by-pass valve control 20 or flange form by-pass valve control more than 28 with drill bit 5.Close hydraulic motor 1 it is stopped operating, close clamping hoop type by-pass valve control 20 or flange form by-pass valve control 28, open atmospheric valve 23, remaining pressure in the discharger.From slips 21 or flange spool 27 remove the utility model with top; And clamping hoop type by-pass valve control 20 or flange form by-pass valve control 28 stayed in by the top of perforate by-pass valve control; Set up new gas, liquid passage, clamping hoop type by-pass valve control 20 or flange form by-pass valve control 28 are used as new by-pass valve control.
Claims (10)
1. the oil field is with slide valve press and open holes device; It is characterized in that; Comprise drilling mechanism, hand feeding mechanism and pressure control section, drilling mechanism is connected with the pressure control section through hand feeding mechanism, and seal all is housed in pressure control section and hand feeding mechanism.
2. oil field according to claim 1 is with slide valve press and open holes device; It is characterized in that; Drilling mechanism comprises hydraulic motor (1), drilling rod (4) and drill bit (5), and the upper end of drilling rod (4) is connected with the output shaft (2) of hydraulic motor (1), and its bottom is connected with drill bit (5); The upper end of drilling rod (4) is provided with the suspension shoulder, is loaded in the upper shell (9), and upper shell (9) is connected with the lower case of hydraulic motor (1).
3. oil field according to claim 2 is characterized in that with slide valve press and open holes device the upper end of drilling rod (4) is splined hole (3), and the output shaft (2) of hydraulic motor (1) is a splined shaft, and splined hole (3) is connected with output shaft (2).
4. oil field according to claim 2 is characterized in that with slide valve press and open holes device the top of said drilling rod (4) suspension shoulder is provided with thrust bearing (6), and the below of suspension shoulder is provided with plane bearing (7); The connection handle of said drilling rod (4) and drill bit (5) is through being threaded; The bit diameter of drill bit (5) is set between the 30mm-50mm.
5. oil field according to claim 1 is with slide valve press and open holes device; It is characterized in that; Hand feeding mechanism comprises lower shell (10), hollow screw mandrel (14), application of force sleeve (11) and connector (18), and the internal thread of lower shell (10) is connected with the external screw thread of hollow screw mandrel (14); The upper end of lower shell (10) is connected with branch sleeve, its lower end is connected with application of force sleeve (11), and the lower end of hollow screw mandrel (14) is connected with connector (18); On the cylindrical shell of application of force sleeve (11), be provided with application of force handle (12) and shop bolt (13).
6. oil field according to claim 5 is characterized in that with slide valve press and open holes device said hollow screw mandrel (14) is provided with a cover roller bearing (8) at least with the junction of connector (18); The seal that said hollow screw mandrel (14) lower lumen is installed is sealing ring (15).
7. oil field according to claim 1 is with slide valve press and open holes device; It is characterized in that; The pressure control section comprises clip pipe nipple (19), slips (21) and clamping hoop type by-pass valve control (20); Be connected through slips (21) between clip pipe nipple (19) and the clamping hoop type by-pass valve control (20); In the top of clip pipe nipple (19) circle and connector (18) through be threaded, circle is installed pressure ring (16) and seal, its underpart cylindrical shell setting pressure table (24) and atmospheric valve (23) in the center, pressure meter (24) and atmospheric valve (23) all are communicated with the interior circle of (19) of clip pipe nipple; The lower end of clamping hoop type by-pass valve control (20) is clip head (22).
8. oil field according to claim 7 is characterized in that with slide valve press and open holes device the seal that circle is installed in said clip pipe nipple (19) middle part is cartridge (17) or sealing ring; The top cylindrical of cartridge (17) is provided with shoulder, and its underpart cylindrical is the taper cylindrical.
9. oil field according to claim 1 is with slide valve press and open holes device; It is characterized in that; Said pressure control section comprises flange spool (27) and flange form by-pass valve control (28), is connected through bolt between flange spool (27) and the flange form by-pass valve control (28); In the top of flange spool (27) circle and connector (18) through be threaded, circle is installed pressure ring (16) and seal, its underpart cylindrical shell setting pressure table (24) and atmospheric valve (23) in the center, pressure meter (24) and atmospheric valve (23) all are communicated with the interior circle of flange spool (27).
10. oil field according to claim 9 is characterized in that with slide valve press and open holes device the bottom of said flange spool (27) is the flange joint face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203448312U CN202249932U (en) | 2011-09-15 | 2011-09-15 | Hot tapping device for oilfield gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203448312U CN202249932U (en) | 2011-09-15 | 2011-09-15 | Hot tapping device for oilfield gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202249932U true CN202249932U (en) | 2012-05-30 |
Family
ID=46111191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203448312U Expired - Fee Related CN202249932U (en) | 2011-09-15 | 2011-09-15 | Hot tapping device for oilfield gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202249932U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386737A (en) * | 2015-12-03 | 2016-03-09 | 河北博路天宝石油设备制造有限公司 | Blowout preventing hole opener for casing pipe |
| CN109899015A (en) * | 2019-02-28 | 2019-06-18 | 宝鸡石油机械有限责任公司 | It is integrated with the underwater oil pipe hanger of built-in slide valve and driving structure |
| CN114110299A (en) * | 2021-12-27 | 2022-03-01 | 联合瑞升（北京）科技有限公司 | Construction method suitable for negative pressure system |
| CN114198053A (en) * | 2021-12-13 | 2022-03-18 | 松原市云生石油技术服务有限公司 | Hole opening device with pressure for wellhead valve flashboard |
-
2011
- 2011-09-15 CN CN2011203448312U patent/CN202249932U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386737A (en) * | 2015-12-03 | 2016-03-09 | 河北博路天宝石油设备制造有限公司 | Blowout preventing hole opener for casing pipe |
| CN105386737B (en) * | 2015-12-03 | 2018-07-17 | 河北博路天宝石油设备制造有限公司 | A kind of punching device under pressure |
| CN109899015A (en) * | 2019-02-28 | 2019-06-18 | 宝鸡石油机械有限责任公司 | It is integrated with the underwater oil pipe hanger of built-in slide valve and driving structure |
| CN114198053A (en) * | 2021-12-13 | 2022-03-18 | 松原市云生石油技术服务有限公司 | Hole opening device with pressure for wellhead valve flashboard |
| CN114198053B (en) * | 2021-12-13 | 2023-06-20 | 松原市云生石油技术服务有限公司 | Wellhead valve flashboard pressurized perforating device |
| CN114110299A (en) * | 2021-12-27 | 2022-03-01 | 联合瑞升（北京）科技有限公司 | Construction method suitable for negative pressure system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20120915 |