CN201982055U - Multifunctional blowout preventer - Google Patents
Multifunctional blowout preventer Download PDFInfo
- Publication number
- CN201982055U CN201982055U CN201120068622XU CN201120068622U CN201982055U CN 201982055 U CN201982055 U CN 201982055U CN 201120068622X U CN201120068622X U CN 201120068622XU CN 201120068622 U CN201120068622 U CN 201120068622U CN 201982055 U CN201982055 U CN 201982055U
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- valve
- well
- main body
- central tube
- seal
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Abstract
The utility model relates to a multifunctional blowout preventer. The utility model has the innovation points that the multifunctional blowout preventer consists of an underground preventing device and a wellhead antitheft device, wherein the underground preventing device mainly comprises a central pipe, a sieving pipe, a guiding head, a traveling valve and a tensioning mechanism; and the wellhead antitheft device consists of a main sleeve body, a sealing valve, a spring, a spring seat, a pressing cover and a sleeve connecting hoop. In the multifunctional blowout preventer, the structural design is scientific and reasonable; the multifunctional blowout preventer has the advantages that the blowout is prevented safely and reliably, the operation is simple and convenient and the back production is convenient; the problems of theft prevention, blowout prevention and pollution prevention of an oil well can be effectively solved, the management level of a suspended well of an oil field is greatly improved, simultaneously the investment of an oil production factory on the suspended well is greatly reduced and the economic benefit is increased.
Description
Technical field
The utility model belongs to the extracting device of oil field, particularly a kind of multifunctional capping device.
Background technology
Along with the growth of each oilfield exploitation time, dead well, suspended well get more and more, and management work is many and dispersion difficulty increasing because of well.For dead well or suspended well, still can there be pressure in its inside, therefore can shunt in a well by device such as mounted valve, production tree on well head usually, to avoid crude oil, gas leakage.But existing well head shut-in well apparatus structure is comparatively simple, utilizes existing instrument to dismantle.Lawless person in the zone, oil field utilizes this point, often throttle valve is drained the oil, exits, is discharged the production tree accessory or amputates casing head on dead well, the suspended well, make well head out of hand, cause crude oil leakage, seriously also can cause constantly and not have the control blowout, cause oil district severe environmental pollution, cause very large economy loss to the oil recovery factory simultaneously.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of multifunctional capping device is provided, and it can effectively play antitheft, blowout prevention, antipollution effect.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of multifunctional capping device, it is characterized in that: constitute by down-hole shut-in well device and well head anti-theft device, down-hole shut-in well device mainly is made of central tube, screen casing, leader, travelling valve, tension mechanism, coaxial successively described screen casing and the leader of installing in the bottom of central tube, at the described travelling valve of the inner installation in the upper end of central tube, the described tension mechanism of outside suit at central tube, this travelling valve is made of valve bonnet, valve seat, valve ball, valve rod and spring, valve rod is packed in the valve ball bottom, pocketed springs on valve rod, valve ball at the spring action lower seal on valve seat; The well head anti-theft device is made of main body, seal valve, spring, spring base, gland and casing coupling, described seal valve is installed in main body, coaxially in main body bottom install described spring base, roof pressure is installed in the described spring of seal valve bottom in spring base, at the described casing coupling of the outside suit of main body, in main body upper end described gland is installed, is shaped on polygonal groove in the upper surface of gland.
And, the tension mechanism of described down-hole shut-in well device is made of following of lifting housing, slips, cartridge, the taper seat of honour and taper, lifting housing thread set is in the central tube outside, fixedly following of the suit taper seat of honour and taper on the central tube of lifting enclosure interior, at the corresponding described taper seat of honour of lifting housing and the position of following of taper slips and cartridge are installed respectively.
And the seal valve of described well head anti-theft device is made of valve body, spool and skeleton, and spool is packed in skeleton upper end, and valve body is packed in the spool upper end, is shaped on conical seal (contact) face in the periphery of spool, is shaped on the conical seal (contact) face that is mated in the bottom of main body.
Advantage of the present utility model and good effect are:
1. this multifunctional capping device is made of down-hole shut-in well device and well head anti-theft device two parts, and down-hole shut-in well device can effectively intercept gas, crude oil in well, realizes sealing by tension mechanism, has good sealing effect, advantage quick and easy for installation; Simultaneously at well head place mounting shaft antitheft apparatus, further play the effect of barrier oil, gas, the well head anti-theft device must adopt special tool just can open simultaneously, has overcome and has adopted conventional means can open the drawback of well head in the past, prevents lawless person's troublesome destruction effectively.
2. the utility model scientific structure design is reasonable, has safe and reliable, easy and simple to handle, the back production of shut-in well advantage easily, can effectively solve antitheft, the blowout prevention of oil well, anti-pollution problem, greatly improve the suspended well managerial skills in oil field, significantly reduce the oil recovery factory simultaneously and on suspended well, drop into, increased economic benefit.
Description of drawings
Fig. 1 is the structural representation (sectional view) of down-hole of the present utility model shut-in well device;
Fig. 2 is the structural representation (sectional view) of well head anti-theft device of the present utility model.
The specific embodiment
The utility model is described in further detail below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of multifunctional capping device, it is made of down-hole shut-in well device and well head anti-theft device.Down-hole shut-in well device mainly is made of central tube 1, screen casing 15, leader 16, travelling valve, tension mechanism, coaxial successively described screen casing and the leader of installing in the bottom of central tube, at the described travelling valve of the inner installation in the upper end of central tube, at the outside suit tension mechanism of central tube.This travelling valve is made of valve bonnet 5, valve seat 3, valve ball 4, valve rod 7 and spring 8, and valve rod is packed in the valve ball bottom, and on valve seat, the valve bonnet upper end installs a pressure pipe 2 at the spring action lower seal for pocketed springs on valve rod, valve ball.Tension mechanism is made of following 13 of lifting housing 6, slips 9, cartridge 12, the taper seat of honour 10 and taper, lifting housing thread set is in the central tube outside, fixedly following of the suit taper seat of honour and taper on the central tube of lifting enclosure interior, the following bottom of taper is fixed with the back of the body female 14.Position under the corresponding described taper seat of honour of lifting housing and taper is installed slips and cartridge respectively, and slips is that circumference uniform distribution is inlaid in a plurality of on the lifting housing.Cartridge is packed in the lifting lower part of frame by connecting female 11.
The well head anti-theft device is made of main body 18, seal valve, spring 23, spring base 24, gland 17 and casing coupling 19, in main body, seal valve is installed, seal valve is made of valve body 20, spool 21 and skeleton 22, spool is packed in the skeleton upper end, valve body is packed in the spool upper end, periphery at spool is shaped on conical seal (contact) face, is shaped on the conical seal (contact) face that is mated in the bottom of main body.Spool is the rubber spool.At the coaxial spring base that installs in main body bottom, roof pressure is installed in the described spring of seal valve bottom in spring base, at the described casing coupling of the outside suit of main body.Gland is installed in main body upper end, and gland is installed in main body upper end with the screw thread mounting means.Be shaped on polygonal groove 27 in the upper surface of gland, open the special spanner that gland need be consistent with this polygonal groove shapes.Inner cylinder on main body top is shaped on internal thread 26, is used to install the special tool of roof pressure seal valve.
The operating principle of this multifunctional capping device is:
Down-hole shut-in well device is connected with oil pipe, then with Suspenoing apparatus with the oil pipe designed depth location in the well of slinging down, just changeing oil pipe with tubing tongs, oil pipe drives central tube and rotates, the central tube rotation makes the lifting housing move downward the promotion slips and moves downward on upper cone, and slips opens and is fastened on the tube wall, also moves on lower cone by connecting mother and cartridge simultaneously, and packing element struts sealing, finishes shut-in well.Need put pressure, on the shut-in well well head tapping pin be pressed down valve ball when receiving oil, just can put from ball seat when valve ball and press oil, the oil pipe deblocking that reverses again in the time of taking out blowout preventer gets final product.
The well head anti-theft device is installed on 25 of the sleeve pipes, upward expires screw thread and guarantee not sting not leak, gland is installed at last again.It is up that spring in the well head anti-theft device will promote seal valve, makes spool and valve base chamber on the seal valve form effective sealing, confining liquid stream data feedback channel, and well head does not just have pressure or overflow, thereby plays the effect of secondary shut-in well.The gland upper end is polygonal groove, use special spanner, and no special spanner then can't be opened, so this device has anti-junk of shut-in well and the antitheft dual-use function of anti-shackle concurrently.Put when pressing, the available dedicated spanner is laid down gland, then with on the joint of push rod in the position of gland, the push rod precession, the contact seal valve, continue precession then with the spool top of seal valve from valve seat, till putting straightening to pressure slowly and having put.Just put and the well head anti-theft device can have been unloaded down from casing head when pressure.
Claims (3)
1. multifunctional capping device, it is characterized in that: constitute by down-hole shut-in well device and well head anti-theft device, down-hole shut-in well device mainly is made of central tube, screen casing, leader, travelling valve, tension mechanism, coaxial successively described screen casing and the leader of installing in the bottom of central tube, at the described travelling valve of the inner installation in the upper end of central tube, the described tension mechanism of outside suit at central tube, this travelling valve is made of valve bonnet, valve seat, valve ball, valve rod and spring, valve rod is packed in the valve ball bottom, pocketed springs on valve rod, valve ball at the spring action lower seal on valve seat; The well head anti-theft device is made of main body, seal valve, spring, spring base, gland and casing coupling, described seal valve is installed in main body, coaxially in main body bottom install described spring base, roof pressure is installed in the described spring of seal valve bottom in spring base, at the described casing coupling of the outside suit of main body, in main body upper end described gland is installed, is shaped on polygonal groove in the upper surface of gland.
2. multifunctional capping device according to claim 1, it is characterized in that: the tension mechanism of described down-hole shut-in well device is made of following of lifting housing, slips, cartridge, the taper seat of honour and taper, lifting housing thread set is in the central tube outside, fixedly following of the suit taper seat of honour and taper on the central tube of lifting enclosure interior, at the corresponding described taper seat of honour of lifting housing and the position of following of taper slips and cartridge are installed respectively.
3. multifunctional capping device according to claim 1, it is characterized in that: the seal valve of described well head anti-theft device is made of valve body, spool and skeleton, spool is packed in the skeleton upper end, valve body is packed in the spool upper end, periphery at spool is shaped on conical seal (contact) face, is shaped on the conical seal (contact) face that is mated in the bottom of main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120068622XU CN201982055U (en) | 2011-03-16 | 2011-03-16 | Multifunctional blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120068622XU CN201982055U (en) | 2011-03-16 | 2011-03-16 | Multifunctional blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201982055U true CN201982055U (en) | 2011-09-21 |
Family
ID=44609518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120068622XU Expired - Fee Related CN201982055U (en) | 2011-03-16 | 2011-03-16 | Multifunctional blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201982055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563944A (en) * | 2014-01-24 | 2015-04-29 | 大庆金祥寓科技有限公司 | Releasing well plugging device |
-
2011
- 2011-03-16 CN CN201120068622XU patent/CN201982055U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563944A (en) * | 2014-01-24 | 2015-04-29 | 大庆金祥寓科技有限公司 | Releasing well plugging device |
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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: 20110921 Termination date: 20140316 |