CN109594947A - A kind of pit shaft protection continuation drilling rig - Google Patents
A kind of pit shaft protection continuation drilling rig Download PDFInfo
- Publication number
- CN109594947A CN109594947A CN201811323352.5A CN201811323352A CN109594947A CN 109594947 A CN109594947 A CN 109594947A CN 201811323352 A CN201811323352 A CN 201811323352A CN 109594947 A CN109594947 A CN 109594947A
- Authority
- CN
- China
- Prior art keywords
- drilling
- tube protector
- drilling well
- tool
- well tube
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 138
- 230000001012 protector Effects 0.000 claims abstract description 91
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 210000000664 rectum Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 13
- 238000004064 recycling Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
- E21B33/037—Protective housings therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of pit shaft protect continue drilling rig, including low pressure well head, high-pressure well mouth, with drilling well tube protector, centralizing tool and tool-joint；The low pressure well head is mounted on the outside of the high-pressure well mouth；The centralizing tool connect to be formed with drilling well tube protector service aid with the tool-joint, carries out drilling well with the bottom connection drilling assembly tool of drilling well tube protector service aid；Wherein, the drilling well tube protector is mounted on between drilling well tube protector service aid and the high-pressure well mouth；It is described with drilling well tube protector include with drilling well tube protector ontology, spring shear pin and opening shear pin；Moving down with drilling well tube protector service aid is embedded in the spring shear pin in the high-pressure well mouth；The opening shear pin is installed on described between drilling well tube protector and tool-joint; the opening shear pin is cut by driving torque to separate the tool-joint with drilling well tube protector with described, follows drilling assembly tool after follow-up hole with drilling well tube protector service aid.
Description
Technical field
The present invention relates to oil drilling technical field, especially a kind of pit shaft protection continues drilling rig.
Background technique
Pit shaft protective device is the auxiliary protection device of underwater well head system, is to carry out deep water to be drilled that well is indispensable to be set
It is standby.
Pit shaft protective device is mounted in high-pressure well mouth, can be oriented to for drilling tool, bunch tube, for protecting in high-pressure well mouth
Portion's sealing surface, function trough are not damaged.Pit shaft protective device in the prior art cannot be installed with drill bit, be recycled, and be needed
By rising twice, under be drilled into installation and recycling, after the depth of water is more than 1500 meters, a next brill needs 6-8 hours；With this
Drilling well tube protector service aid leads to the irretrievable possibility of pit shaft protective device in the presence of failure simultaneously, reduces operation
Reliability.
Summary of the invention
The technical problems to be solved by the invention are exactly to be in view of the deficiency of the prior art, to provide a kind of pit shaft
Protection continues drilling rig.
The technical solution adopted by the present invention to solve the technical problems is: a kind of pit shaft protection continuation drilling rig, including
Low pressure well head, high-pressure well mouth, with drilling well tube protector, centralizing tool and tool-joint；The low pressure well head is mounted on described
The outside of high-pressure well mouth；The centralizing tool is connect with the tool-joint to be formed with drilling well tube protector service aid, with
The bottom connection drilling assembly tool of drilling well tube protector service aid carries out drilling well；Wherein, the drilling well cylinder protection
Device is mounted on between drilling well tube protector service aid and the high-pressure well mouth；It is described to include with drilling well tube protector
With drilling well tube protector ontology, spring shear pin and opening shear pin；It is moved down with drilling well tube protector service aid
It is embedded in the spring shear pin in the high-pressure well mouth；The opening shear pin be installed on it is described with drilling well tube protector with
Between tool-joint, the opening shear pin is cut by driving torque and fills the tool-joint and described protect with drilling well cylinder
Separation is set, follows drilling assembly tool after follow-up hole with drilling well tube protector service aid.
Further, the spring shear pin insertion high-pressure well mouth with drilling well tube protector body exterior.
Further, the inner surface bottom with drilling well tube protector ontology is provided with limit shoulder.
Further, the inside latus rectum of the limiting stand shoulders is less than with the outer of drilling well tube protector service aid
Diameter.
Further, described with being provided with several sealings between drilling well tube protector ontology and the high-pressure well mouth
Circle.
Further, be provided with J-type slot on the tool-joint, it is described be provided on drilling well tube protector with it is described
The J-type block of J-type slot contact；It is embedded in the J-type slot by J-type block described in realizing and is connect with drilling well tube protector and the tool
The connection of head.
Compared with prior art, the beneficial effects of the present invention are: the present apparatus can save the activity duration: existing pit shaft is protected
Protection unit needs by pulling out of hole twice, under be drilled into installation and recycling, for the well of 1500 meters of depth of water, playing next brill need to
Want 6-8 hours.Using with drilling well tube protector, it can be achieved that brill installation pit shaft protective device, drilling well, recycling pit shaft protection
Device saves one time, lower brill time, improves operating efficiency.
The present apparatus can reduce the empty well time: existing pit shaft protective device needs by rising twice, under be drilled into installation
And recycling, due to not recycling in long-time well without drilling tool, mud, will increase during installation, recovery well tube protector
The probability of underground burst complex situations generation, the ability for reducing reply burst complex situations simultaneously, protect dress using with drilling well cylinder
It sets, it can be achieved that brill installation, a recovery well tube protector, reduce the empty well time, reduction operating risk, increase reply burst are multiple
The ability of miscellaneous situation.
Detailed description of the invention
Fig. 1 show overall structure diagram of the invention.
Fig. 2 show the structural schematic diagram of the invention with drilling well tube protector.
Fig. 3 show centralizing tool and tool-joint structural schematic diagram of the invention.
Fig. 4 show of the invention with drilling well tube protector structural schematic diagram.
Fig. 5 show tool-joint structural schematic diagram of the invention.
In figure: 1 is low pressure well head 1；2 be high-pressure well mouth；3 be with drilling well tube protector；4 be centralizing tool；5 be tool
Connector；31 be with drilling well tube protector ontology；32 be spring shear pin；33 be opening shear pin；34 be sealing ring；51 be J
Type groove；52 be J-type block；53 be guide pad；311 be limit shoulder.
Specific embodiment
Below in conjunction with specific embodiment, invention is further described in detail.It should be appreciated that described herein specific
Embodiment is only used to explain the present invention, is not intended to limit the present invention.
As shown in Figs. 1-5, a kind of pit shaft protection continues drilling rig, including low pressure well head 1, high-pressure well mouth 2, with drilling well cylinder
Protective device 3, centralizing tool 4 and tool-joint 5；The low pressure well head 1 is mounted on the outside of the high-pressure well mouth 2；It is described to help
Positive tool 4 connect formation with the tool-joint 5 with drilling well tube protector service aid, services work with drilling well tube protector
The bottom of tool connects (attached to be not shown in the figure) the progress drilling well of drilling assembly tool；Wherein, as shown in Fig. 2, the drilling well cylinder
Protective device 3 is mounted on between drilling well tube protector service aid and the high-pressure well mouth 2；Described protect with drilling well cylinder fills
Setting 3 includes with drilling well tube protector ontology 31, spring shear pin 32 and opening shear pin 33；With drilling well tube protector service
Tool, which moves down, is embedded in the spring shear pin 32 in the high-pressure well mouth 2；The opening shear pin 33 is installed on described
With between drilling well tube protector 3 and tool-joint 5, the opening shear pin 33 is cut by driving torque and connects the tool
First 5 separate with described with drilling well tube protector 3, with drilling well tube protector service aid follow drilling assembly tool after
Follow-up hole.
The present apparatus can save the activity duration: existing pit shaft protective device needs by pulling out of hole twice, under be drilled into peace
Dress and recycling play next brill and need 6-8 hours for the well of 1500 meters of depth of water.It, can using with drilling well tube protector
Realize that a brill installation, with drilling well tube protector, saves one time, lower brill time with drilling well tube protector, drilling well, recycling,
Improve operating efficiency.
The present apparatus can reduce the empty well time: existing pit shaft protective device needs by rising twice, under be drilled into installation
And recycling, due to not recycling in long-time well without drilling tool, mud, will increase during installation, recovery well tube protector
The probability of underground burst complex situations generation, the ability for reducing reply burst complex situations simultaneously, protect dress using with drilling well cylinder
It sets, it can be achieved that brill installation, a recovery well tube protector, reduce the empty well time, reduction operating risk, increase reply burst are multiple
The ability of miscellaneous situation.
Further, it is realized by spring shear pin 32 and is connected with drilling well tube protector 3 and the quick of high-pressure well mouth 2
It connects, quick-release, with turn on pump is not needed in drilling well tube protector installation process, it is simply easy to make it have installation, removal process
Row；The spring shear pin 32 is described with the high-pressure well mouth 2 outside drilling well tube protector ontology 31 by spring insertion, leads to
It crosses and proposes certain power, cut the separation of spring shear pin 32 realization and high-pressure well mouth 2；It increases operational reliability, reduce
Operating risk improves operating efficiency.
Further, to prevent described be moved downward to drilling well tube protector 3 from servicing work with drilling well tube protector
The lower part of tool, the inner surface bottom with drilling well tube protector ontology 31 is provided with limit shoulder 311, wherein the limit
The inside latus rectum at 311 position of shoulder is less than the outer diameter with drilling well tube protector service aid, in order to eliminate well drilling tool group
Conjunction tool and with drilling well tube protector service aid take out when, with the irretrievable possibility of drilling well tube protector 3.
Further, described close with several are provided between drilling well tube protector ontology 31 and the high-pressure well mouth 2
Seal 34, the sealing ring 34 provide the torque that rotation cuts opening shear pin 33, prevent foreign matter enter pit shaft protective device with
In gap between high-pressure well mouth.
Further, be provided with J-type slot 51 on the tool-joint 5, it is described be provided on drilling well tube protector 3 with
The J-type block 52 that the J-type slot 51 contacts；It is embedded in the J-type slot 51 by J-type block 52 described in realizing with drilling well tube protector
3 are used to prevent with drilling well tube protector 3 with the connection of the tool-joint 5, opening shear pin 33 as safety device
With 5 accidental separation of tool-joint；Wherein 52 side of J-type block is provided with guide pad 53.
In use, centralizing tool 4 is connect with tool-joint 5, forms with drilling well tube protector service aid, connect together
On drilling assembly tool, wherein centralizing tool 4 is used for the righting with drilling well tube protector 3, and tool-joint 5 is arranged
There is J-type slot 51, be connected with the J-type block 52 of drilling well tube protector 3, after construction opening shear pin 3, certain torque is needed to make
The separation of both J-type slot 51 and J-type block 52, enters when following with drilling well tube protector 3 with drilling well tube protector service aid
After high-pressure well mouth 2, spring shear pin 32 is embedded into high-pressure well mouth 2, cuts opening shear pin 33 by rotating certain torque, will
Tool-joint 5 is separated with drilling well tube protector 3, and centralizing tool 4 and tool-joint 5 follow drilling assembly tool to continue
Drilling well.
Tool application illustrates under present apparatus difference operating condition:
When installation is with drilling well tube protector, continuation drilling condition: centralizing tool 4 connect formation with brill with tool-joint 5
Pit shaft protective device service aid with the bottom of drilling well tube protector service aid and drill bit, motor, drill collar, centralizer, adds
It is redrilled the drilling tools such as bar to be connected, constitutes drilling assembly tool.Tripping in drilling assembly tool is connected, connection tripping in tool connects
Head connects centralizing tool and enters well after installation is with drilling well tube protector, be sent to designated position with drilling rod, pass through up and down brill
Whether tool verifying is installed in place with drilling well tube protector, after being installed in place, rotates certain torque and cuts opening shear pin 33, help
Positive tool 4 is separated with drilling well tube protector 3, continues lower brill, turn on pump, drilling.
When recycling is with drilling well tube protector operating condition: drilling assembly tool is drilled into predetermined depth, rises and is drilled into righting work
Close to described with drilling well tube protector 3, slow is drilled into the contact of tool-joint 5 and is promoted with drilling well tube protector 3 tool 4, applies
Add certain pulling force to cut spring shear pin 32, is separated with drilling well tube protector 3 with high-pressure well mouth 2；It rises and is drilled into table with revolvable top；
It tears open, get rid of centralizing tool 4, with drilling well tube protector 3, tool-joint 5 and drilling assembly tool.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of pit shaft protection continues drilling rig, it is made of device noumenon；It is characterized by comprising low pressure well heads (1), high pressure
Well head (2), with drilling well tube protector (3), centralizing tool (4) and tool-joint (5)；The low pressure well head (1) is mounted on institute
State the outside of high-pressure well mouth (2)；The centralizing tool (4) connect formation with the tool-joint (5) with drilling well tube protector
Service aid carries out drilling well with the bottom connection drilling assembly tool of drilling well tube protector service aid；Wherein, described
Drilling well tube protector (3) is mounted on between drilling well tube protector service aid and the high-pressure well mouth (2)；It is described with brill
Pit shaft protective device (3) includes with drilling well tube protector ontology (31), spring shear pin (32) and opening shear pin (33)；With
Drilling well tube protector service aid, which moves down, is embedded in the spring shear pin (32) in the high-pressure well mouth (2)；It is described
Opening shear pin (33) is installed on described between drilling well tube protector (3) and tool-joint (5), is cut by driving torque
The opening shear pin (33) separates the tool-joint (5) with described with drilling well tube protector (3), protects with drilling well cylinder
Device service aid follows drilling assembly tool after follow-up hole.
2. pit shaft protection according to claim 1 continues drilling rig, it is characterised in that: spring shear pin (32) is embedded in institute
State the high-pressure well mouth (2) external with drilling well tube protector ontology (31).
3. pit shaft protection according to claim 1 continues drilling rig, it is characterised in that: described with drilling well tube protector
The inner surface bottom of ontology (31) is provided with limit shoulder (311).
4. pit shaft protection according to claim 3 continues drilling rig, it is characterised in that: limit shoulder (311) portion
The inside latus rectum of position is less than the outer diameter with drilling well tube protector service aid.
5. pit shaft protection according to claim 1 continues drilling rig, it is characterised in that: described with drilling well tube protector
Several sealing rings (34) are provided between ontology (31) and the high-pressure well mouth (2).
6. pit shaft protection according to claim 1 continues drilling rig, it is characterised in that: set on the tool-joint (5)
It is equipped with J-type slot (51), it is described with being provided with the J-type block (52) contacted with the J-type slot (51) on drilling well tube protector (3)；
It is embedded in the J-type slot (51) by J-type block (52) described in realizing with drilling well tube protector (3) and the tool-joint (5)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323352.5A CN109594947A (en) | 2018-11-08 | 2018-11-08 | A kind of pit shaft protection continuation drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323352.5A CN109594947A (en) | 2018-11-08 | 2018-11-08 | A kind of pit shaft protection continuation drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109594947A true CN109594947A (en) | 2019-04-09 |
Family
ID=65958189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811323352.5A Pending CN109594947A (en) | 2018-11-08 | 2018-11-08 | A kind of pit shaft protection continuation drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109594947A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414789A (en) * | 2021-05-14 | 2021-09-21 | 海洋石油工程股份有限公司 | Emergency release device and method for underwater multipath hydraulic connector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6719044B2 (en) * | 2000-03-28 | 2004-04-13 | Abb Vetco Gray Inc. | Wear bushing running and retrieval tools |
| US20050103503A1 (en) * | 2003-09-22 | 2005-05-19 | Williams Gregory D. | Selectively retrievable wear bushing for subsea or surface applications |
| US20100243271A1 (en) * | 2009-03-27 | 2010-09-30 | Vetco Gray Inc. | Bit-run nominal seat protector and method of operating same |
| WO2012047350A1 (en) * | 2010-10-07 | 2012-04-12 | Dril-Quip, Inc. | Wear bushing for locking to a wellhead |
| CN103443392A (en) * | 2011-01-11 | 2013-12-11 | 阿克海底公司 | Bore protector |
| WO2018011217A1 (en) * | 2016-07-12 | 2018-01-18 | Total Sa | Wear bushing or bore protector running and retrieval tool |
| CN107816327A (en) * | 2017-10-24 | 2018-03-20 | 宝鸡石油机械有限责任公司 | Mechanical multifunctional underwater installation installs retracting device |
-
2018
- 2018-11-08 CN CN201811323352.5A patent/CN109594947A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6719044B2 (en) * | 2000-03-28 | 2004-04-13 | Abb Vetco Gray Inc. | Wear bushing running and retrieval tools |
| US20050103503A1 (en) * | 2003-09-22 | 2005-05-19 | Williams Gregory D. | Selectively retrievable wear bushing for subsea or surface applications |
| US20100243271A1 (en) * | 2009-03-27 | 2010-09-30 | Vetco Gray Inc. | Bit-run nominal seat protector and method of operating same |
| WO2012047350A1 (en) * | 2010-10-07 | 2012-04-12 | Dril-Quip, Inc. | Wear bushing for locking to a wellhead |
| CN103443392A (en) * | 2011-01-11 | 2013-12-11 | 阿克海底公司 | Bore protector |
| WO2018011217A1 (en) * | 2016-07-12 | 2018-01-18 | Total Sa | Wear bushing or bore protector running and retrieval tool |
| CN107816327A (en) * | 2017-10-24 | 2018-03-20 | 宝鸡石油机械有限责任公司 | Mechanical multifunctional underwater installation installs retracting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414789A (en) * | 2021-05-14 | 2021-09-21 | 海洋石油工程股份有限公司 | Emergency release device and method for underwater multipath hydraulic connector |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190409 |