CN201367858Y - Pressurized drilling device for drilling rod - Google Patents
Pressurized drilling device for drilling rod Download PDFInfo
- Publication number
- CN201367858Y CN201367858Y CNU2009200786502U CN200920078650U CN201367858Y CN 201367858 Y CN201367858 Y CN 201367858Y CN U2009200786502 U CNU2009200786502 U CN U2009200786502U CN 200920078650 U CN200920078650 U CN 200920078650U CN 201367858 Y CN201367858 Y CN 201367858Y
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- CN
- China
- Prior art keywords
- drilling
- drilling rod
- band
- joint
- anchor ear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility mode discloses a pressurized drilling device for a drilling rod, which comprises two half-type holding hoops mounted on the drilling rod. Each of two holding hoops is provided with an arc groove and the two holding hoops are connected with each other through a fastening piece, wherein one of the holding hoops is provided with a drilling channel communicated with an arc groove; the drilling channel is connected with an interface of a joint fixedly connected with the holding hoop of the drilling channel, the joint has at least three interfaces, and the other interfaces are respectively connected with a drilling unit and a blowout pipe; and valves are respectively connected to a connecting pipe between the joint and the drilling unit, as well as a connecting pipe between the joint and the drilling unit. The utility model is characterized in that at least one arc sealing slot is formed on the inner wall of one of the holding hoops on the upper and the lower sides of the drilling channel, and each sealing slot is provided with an arc sealing ring. The pressurized drilling device can effectively seal the drilling rod after the drilling operation, prevent the leakage of high-pressure fluid, and completely eliminate the occurrence of accidents.
Description
Technical field
The utility model relates to a kind of band that is used for drilling rod and presses drilling equipment.
Background technology
At present, when the oil gas well runs into high-pressure oil gas in drilling process, in case generation imbalance of pressure, will cause well kick or blowout, even the preventer closing control has been lived well head, but for various reasons, as the situation that blowout prevention instrument in the plug valve etc. can't be opened, will make accident complicated because of there not being the kill-job passage; If this well has been installed shear ram, and cut off sealed up well head behind the drilling rod fully, again by from the by-pass between shear ram preventer and pipe ram preventer, inject the drilling fluid kill-job through incision position, the unbalanced pressure of oil-gas Layer is controlled effectively, and recovers normal drilling well work; Yet, be equipped with and the preventer of shear ram of packing into is limited, most preventer is to assemble shear ram, is closing the back, is running into the special circumstances that above-mentioned cock is not opened as these preventers, intractability just increases greatly, also may bring out new more complicated accident and take place; Generally, for preventing well kick or blowout, generally adopt drilling equipment is installed on drilling rod, it comprises two Hough formula anchor ears that are installed on the drilling rod, two anchor ears are equipped with arc groove and connect by securing member, one of them anchor ear is provided with the drilled tunnel that is communicated with arc groove, drilled tunnel with connect firmly a tee junction on its anchor ear or an interface of four-way connection and link to each other, auger is connected with another interface of joint respectively with blooie pipe, be positioned at same rectilinear direction with two interfaces that anchor ear is connected with auger, on the tube connector of joint and auger and blooie pipe, be respectively equipped with valve; In case generation imbalance of pressure, open two valves, the drill bit of auger enters drilled tunnel, can hole to drilling rod quickly and safely, withdraw from drill bit again, close the preceding valve of auger, the fluid of high pressure is discharged by blooie pipe, form the fluid passage that to put pressure, make dangerous situation be alleviated rapidly and solve; But drilling rod is because of wearing and tearing with sleeve pipe or wall friction, the drilling rod external diameter is reduced or loses circle, and two anchor ears can not carry out effective seal to the drilling rod after the boring, and the fluid of high pressure can produce leakage, and dangerous situation is difficult to be solved completely.
The utility model content
The purpose of this utility model is the above-mentioned deficiency at prior art, provides a kind of band that is used for drilling rod to press drilling equipment, and it can carry out effective seal to the drilling rod after the boring, prevents that high-pressure fluid from producing leakage, the generation of thoroughly stopping accident.
For achieving the above object, the band that is used for drilling rod of the present utility model is pressed drilling equipment, comprise two Hough formula anchor ears that are installed on the drilling rod, two anchor ears are equipped with arc groove and connect by securing member, one of them anchor ear is provided with the drilled tunnel that is communicated with arc groove, drilled tunnel links to each other with an interface that connects firmly the joint on its anchor ear, joint is provided with three interfaces at least, two interfaces are connected with blooie pipe with auger respectively in addition, on the tube connector of joint and auger and blooie pipe, be respectively equipped with valve, it is characterized in that on drilled tunnel, at least respectively be provided with the seal groove of one arc on the anchor ear inwall of following both sides, be equipped with the sealing ring of arc in the per pass seal groove;
Because the existence of sealing ring can be carried out effective seal to the drilling rod after the boring, prevents that high-pressure fluid from producing leakage;
As further improvement of the utility model, in being provided with the anchor ear of drilled tunnel, be provided with several pressurization passageway that link to each other with per pass seal groove rear end, be equipped with sealing device in the entrance of pressurization passageway;
Above-mentioned sealing device can be the seal plug of installing by screw thread;
Above-mentioned sealing device also can be one way valve;
Take off seal plug or in push away one way valve, inject the oil substances of high pressure, can increase the pressure of sealing ring to drilling rod, can improve the bearing capacity of sealing ring, and the wearing and tearing of sealing ring are compensated, increase the service life;
As further improvement of the utility model, in being provided with the anchor ear of drilled tunnel, also be provided with the pressure testing passage that communicates with drilled tunnel, be provided with seal plug in the entrance of pressure testing passage; Take off seal plug, inject high-pressure fluid, can detect sealing ring bearing capacity whether reach requirement;
As further improvement of the utility model, on joint, also be provided with a kill-job interface, this interface is connected with the kill-job pipe by tube connector, is provided with valve on this tube connector; After drilling rod boring, also can close the preceding valve of blooie pipe, open the preceding valve of kill-job pipe, inject highly pressurised liquid by the kill-job pipe and implement kill-job;
As further improvement of the utility model, in the arc groove of the anchor ear of not establishing drilled tunnel, be provided with the thread form tooth; Can increase the frictional force of two anchor ears, prevent the anchor ear displacement drilling rod;
As further improvement of the utility model, described auger is installed on the support by connecting rod, and connecting rod and support are by being threaded; Be convenient to auger and joint adjustment height;
In sum, the utility model can carry out effective seal to the drilling rod after the boring, prevents that high-pressure fluid from producing leakage, the generation of thoroughly stopping accident.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the front view of left anchor ear among Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
By shown in Figure 1, this band that is used for drilling rod is pressed drilling equipment, comprise that left and right two Hough formula anchor ears 1 of being installed on the drilling rod 17 and 2, two anchor ears 1 and 2 are equipped with arc groove and connect by securing members such as bolts, are provided with thread form tooth 1a (by shown in Figure 2) in the arc groove of left anchor ear 1; Right anchor ear 2 is provided with the drilled tunnel 3 that is communicated with arc groove, drilled tunnel 3 links to each other with an interface that connects firmly the four-way connection 4 on right anchor ear 2, three interfaces are connected with auger 5, blooie pipe 6 and kill-job pipe 7 respectively in addition, on the tube connector of four-way connection 4 and auger 5, blooie pipe 6 and kill-job pipe 7, be respectively equipped with valve 8,9,10, on the inwall of the right anchor ear 2 of drilled tunnel 3 upper and lower both sides, respectively be provided with the seal groove of one arc, be equipped with the sealing ring 11 of arc in the per pass seal groove; In right anchor ear 2, be provided with two pressurization passageway 12 that link to each other with per pass seal groove rear end, all be provided with seal plug 13 by screw thread in the entrance of pressurization passageway 12; In right anchor ear 2, also be provided with the pressure testing passage 14 that communicates with drilled tunnel 3, be provided with the seal plug (not shown) in the entrance of pressure testing passage 14; Described auger 5 is installed on the support 16 by connecting rod 15, and connecting rod 15 and support 16 are by being threaded;
During use, take off seal plug 13, inject the grease of high pressure in two pressurization passageway 12, make sealing ring 11 be in pressured state, inject high-pressure fluid in pressure testing passage 14, whether the bearing capacity that can detect sealing ring 11 reaches requirement; Normal condition, valve 8,9,10 is all closed; In a single day imbalance of pressure takes place in drilling process, open valve 8, the drill bit of auger 5 enters drilled tunnel 3, under sealing ring 11 states with pressure, to drilling rod 17 borings, prevent that high-pressure fluid from producing leakage, returns drill bit more quickly and safely, valve-off 8, open valve 9 or valve 10 simultaneously, the high-pressure fluid in the drilling rod 17 is discharged by blooie pipe 6, forms the fluid passage that can put pressure, make dangerous situation be alleviated rapidly and solve, perhaps inject highly pressurised liquids and implement kill-jobs by kill-job pipe 7;
Auger can adopt manually, hydraulic pressure or pneumatic mode drive, and seal plug 13 also can be replaced by one way valve, is convenient to inject the grease of high pressure, but structure is comparatively complicated.
Claims (8)
1. a band that is used for drilling rod is pressed drilling equipment, comprise two Hough formula anchor ears that are installed on the drilling rod, two anchor ears are equipped with arc groove and connect by securing member, one of them anchor ear is provided with the drilled tunnel that is communicated with arc groove, drilled tunnel links to each other with an interface that connects firmly the joint on its anchor ear, joint is provided with three interfaces at least, two interfaces are connected with blooie pipe with auger respectively in addition, on the tube connector of joint and auger and blooie pipe, be respectively equipped with valve, it is characterized in that on drilled tunnel, at least respectively be provided with the seal groove of one arc on the anchor ear inwall of following both sides, be equipped with the sealing ring of arc in the per pass seal groove.
2. the band that is used for drilling rod as claimed in claim 1 is pressed drilling equipment, it is characterized in that being provided with several pressurization passageway that link to each other with per pass seal groove rear end in being provided with the anchor ear of drilled tunnel, is equipped with sealing device in the entrance of pressurization passageway.
3. the band that is used for drilling rod as claimed in claim 2 is pressed drilling equipment, it is characterized in that the seal plug of described sealing device for installing by screw thread.
4. the band that is used for drilling rod as claimed in claim 2 is pressed drilling equipment, it is characterized in that described sealing device one way valve.
5. press drilling equipment as the arbitrary described band that is used for drilling rod of claim 1 to 4, it is characterized in that in being provided with the anchor ear of drilled tunnel, also being provided with the pressure testing passage that communicates with drilled tunnel, be provided with seal plug in the entrance of pressure testing passage.
6. the band that is used for drilling rod as claimed in claim 5 is pressed drilling equipment, it is characterized in that also being provided with on joint a kill-job interface, and this interface is connected with the kill-job pipe by tube connector, is provided with valve on this tube connector.
7. the band that is used for drilling rod as claimed in claim 6 is pressed drilling equipment, it is characterized in that being provided with in the arc groove of the anchor ear of not establishing drilled tunnel the thread form tooth.
8. the band that is used for drilling rod as claimed in claim 7 is pressed drilling equipment, it is characterized in that described auger is installed on the support by connecting rod, and connecting rod and support are by being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200786502U CN201367858Y (en) | 2009-01-12 | 2009-01-12 | Pressurized drilling device for drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200786502U CN201367858Y (en) | 2009-01-12 | 2009-01-12 | Pressurized drilling device for drilling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201367858Y true CN201367858Y (en) | 2009-12-23 |
Family
ID=41486752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200786502U Expired - Fee Related CN201367858Y (en) | 2009-01-12 | 2009-01-12 | Pressurized drilling device for drilling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201367858Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168530A (en) * | 2010-12-29 | 2011-08-31 | 西南石油大学 | Pressure drilling device for a drill stem and a using method thereof |
| CN102500784A (en) * | 2011-09-28 | 2012-06-20 | 广东省基础工程公司 | Method for drilling grouting hole in partition plate of muddy water balanced push bench |
| CN104213848A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | Arc sealing device for pipeline or drill pipe hole forming under pressure and using method |
-
2009
- 2009-01-12 CN CNU2009200786502U patent/CN201367858Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168530A (en) * | 2010-12-29 | 2011-08-31 | 西南石油大学 | Pressure drilling device for a drill stem and a using method thereof |
| CN102168530B (en) * | 2010-12-29 | 2013-02-20 | 西南石油大学 | Pressure drilling device for a drill stem and a using method thereof |
| CN102500784A (en) * | 2011-09-28 | 2012-06-20 | 广东省基础工程公司 | Method for drilling grouting hole in partition plate of muddy water balanced push bench |
| CN104213848A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | Arc sealing device for pipeline or drill pipe hole forming under pressure and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20170112 |