CN112253011A - Method for offline pipe string descending of marine single-derrick platform - Google Patents
Method for offline pipe string descending of marine single-derrick platform Download PDFInfo
- Publication number
- CN112253011A CN112253011A CN202011123837.7A CN202011123837A CN112253011A CN 112253011 A CN112253011 A CN 112253011A CN 202011123837 A CN202011123837 A CN 202011123837A CN 112253011 A CN112253011 A CN 112253011A
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- China
- Prior art keywords
- pipe string
- pipe
- power device
- string
- moon pool
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Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000005553 drilling Methods 0.000 claims abstract description 20
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 239000000725 suspension Substances 0.000 claims description 4
- 230000032258 transport Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
Images
Classifications
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- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/002—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling
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- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
- E21B19/15—Racking of rods in horizontal position; Handling between horizontal and vertical position
- E21B19/155—Handling between horizontal and vertical position
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a method for offline pipe string descending of an ocean single-derrick platform, which comprises a pipe string descending method and a pipe string lifting method, wherein the pipe string descending method comprises the following steps: firstly, a catwalk machine conveys a sleeve, a pipe arranging machine is hoisted and is put in from a rat hole gap, a plurality of sleeves are aligned, screwed and tightly connected to form a pipe string, the pipe arranging machine is put down through the pipe arranging machine and is suspended through a moon pool power device, the pipe arranging machine and an iron roughneck continue to install the sleeve, the moon pool power device puts down the pipe string until the pipe string reaches a required putting position, and the steps are repeated until the pipe string with the required length is connected; step two; after the well mouth drilling is finished and the drill rod is lifted out, the trolley transports the connected pipe string to the lower part of the well mouth, the top drive is connected with the pipe string, and the pipe string is started to be lowered; step three; and synchronously performing the step one in the process of lowering the pipe string. The invention can connect the drill rod column, the casing string and other pipe strings in parallel while the original well head works normally, thereby saving a great deal of time for opening the hole.
Description
Technical Field
The invention relates to the technical field of drilling, in particular to a method for lowering a pipe string off line of an ocean single derrick platform.
Background
When a traditional single-derrick/wellhead offshore self-elevating and movable drilling platform works, a top drive, a pipe discharging device and a hole clamp are matched to lower underwater drilling tools such as a downhole drilling tool, a casing pipe, an underwater tree and an extraction pipeline. Due to the fact that the top drive or the well mouth is occupied, the lowering operation of other parallel auxiliary pipelines cannot be completed at the same time. The offshore operation cost is higher, and the traditional single-process sequential operation consumes long time and has high cost.
Disclosure of Invention
The invention aims to provide a method for offline running of a pipe string of an ocean single-derrick platform, which aims to solve the problems in the prior art, and the method is used for connecting a drill string, a casing string and other pipe strings in parallel while the original well head is normally operated, so that a great amount of time for operating the well head is saved.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a method for off-line pipe string descending of an ocean single-derrick platform, which comprises a pipe string descending method and a pipe string lifting method; the method for lowering the pipe string comprises the following steps:
step one; firstly, a catwalk machine conveys a sleeve, a pipe arranging machine is hoisted, descends from a rat hole gap and is suspended by a rat hole holder, then a second sleeve conveyed by the catwalk machine is hoisted by the pipe arranging machine and is aligned with the first sleeve, and is screwed and tightened by an iron roughneck to be connected into a pipe string, the connected pipe string is suspended by the pipe arranging machine and passes through a moon pool power device, the moon pool power device is used for conveying a third sleeve, the pipe arranging machine and the iron roughneck continue to install the third sleeve, the connected pipe string is placed by the moon pool power device until reaching a required placing position, and the steps are repeated until the pipe string with the required length is connected;
step two; after the well mouth drilling is finished and the drill rod is lifted out, the connected pipe string is directly transported to the lower part of the well mouth through the trolley, the top drive is directly connected with the pipe string, and the pipe string lowering operation is started; the trolley is a BOP trolley.
Step three; and in the process of lowering the pipe string, synchronously performing the step I, and continuously connecting and assembling the rest casings into the pipe string.
Optionally, in the first step, the pipe string in the connection process is centered by the rat hole holder.
Optionally, the method for hoisting the pipe string includes the following steps:
the method comprises the following steps that firstly, a pipe string in a hole is lifted by top drive until a seabed mud surface is lifted;
moving a moon pool power device installed on the blowout preventer trolley to a wellhead, clamping the pipe string by a hydraulic clamp on the moon pool power device, loosening the clamp on the top drive turntable, and driving the pipe string to descend and leave the drill floor by the hydraulic clamp on the moon pool power device;
thirdly, moving the moon pool power device backwards to a mouse hole for suspension;
step four, after the well mouth is opened, the drilling system executes the next drilling task;
and step five, the moon pool power device is matched with the pipe arranging machine, the iron roughneck and the rat hole clamp holder to realize the task of disassembling the drilling tool.
Compared with the prior art, the invention has the following technical effects:
when the device is used, equipment does not occupy a wellhead, equipment used by wellhead drilling tools such as a top drive and the like is not used, and the device can be operated in parallel with wellhead equipment, so that the connection and the connection of a pipe string are realized, and the operation efficiency is improved; the invention has no special equipment, can be additionally installed on the traditional single-derrick/wellhead offshore self-elevating type and mobile drilling platforms, and only needs to be provided with a power device on a BOP trolley to lift, lower and suspend a lower pipeline. The invention can suspend the drill string, the casing string and other strings which are less than the operation water depth, namely the maximum string length which can be operated by the invention is almost equal to the operation water depth, and the repeated operation process is reduced to the maximum extent; after the well head creeps into and accomplishes and propose the drilling rod, can directly transport the casing string to well head department through the BOP platform truck, the top is driven directly and is connected with the tubular column, begins the tubular column and transfers the operation. And while below the casing string, the remaining casing strings may continue to be connected using the present invention. The working time is reduced to the maximum extent, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of the working state of the present invention;
wherein, 1 is a catwalk machine, 2 is a pipe arranging machine, 3 is a derrick, 4 is an upper guide rail of the pipe arranging machine, 5 is a pipe arranging machine manipulator, 6 is a drill rod, 7 is a pipe string and 8 is a trolley.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a method for offline running of a pipe string of an ocean single-derrick platform, which aims to solve the problems in the prior art, and the method is used for connecting a drill string, a casing string and other pipe strings in parallel while the original well head is normally operated, so that a great amount of time for operating the well head is saved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the invention utilizes the original structures of a catwalk machine 1, a pipe arranging machine 2, an iron roughneck/rat hole clamp and the like of a drilling platform; and assembling and lowering the drill string, the casing and other pipe strings by using the original position of the rat hole. A power device is required to be arranged on the BOP trolley to lift, lower and suspend the lowering pipeline. The derrick 3 is provided with a horizontally arranged upper guide rail 4 of the pipe arranging machine, the upper guide rail 4 of the pipe arranging machine is connected with a vertically arranged pipe arranging machine 2, and the pipe arranging machine 2 is provided with a pipe arranging machine manipulator 5.
The method comprises the following steps of: step one; firstly, a catwalk machine transports a casing (or a drill pipe, a riser, a core drill and the like, taking the casing as an example), the calandria machine 2 hoists the casing through a calandria machine manipulator 5, and descends the casing from a rat hole gap (a rat hole is taken out, and a clamp is installed in situ) and is suspended by a rat hole clamp, then the catwalk machine transports another casing, the calandria machine hoists another casing, the other casing is aligned with the first casing, and is screwed and tightened by an iron roughneck, the other casing is placed through the calandria machine and passes through a moon pool power device and a wellhead (the power device and the wellhead have the up-down movement and suspension capacity), the moon pool power device suspends the casing, the rat hole clamp centralizes the casing, the calandria machine and the iron roughneck install a transported third casing, and the moon pool power device descends the connected casing to a required placing position. This is repeated, and the casing pipes are connected as necessary until the desired length of the pipe string 7 is obtained.
Step two; after the well head is drilled and the drill rod 6 is lifted out, the pipe string 7 can be directly transported to the lower part of the well head through the trolley 8, the top drive is directly connected with the pipe string 7, and the pipe string 7 is started to be lowered. Step three; during the lowering of the string 7, step one can be performed synchronously, continuing to connect the remaining casing.
When the pipe string is lifted, the method comprises the following steps:
the method comprises the following steps: lifting the pipe string in the hole by top drive until the seabed mud surface is lifted and enough safety distance is reserved; moving a moon pool power device installed on the blowout preventer trolley to a wellhead, clamping the pipe string by a hydraulic clamp on the moon pool power device, loosening the clamp on the top drive turntable, and driving the pipe string to descend and leave the drill floor by the hydraulic clamp on the moon pool power device; thirdly, moving the moon pool power device backwards to a mouse hole for suspension; step four, after the well mouth is opened, the drilling system can execute the next drilling task; and step five, matching the moon pool power device with the pipe arranging machine, the iron driller and the rat hole holder to realize the task of disassembling the drilling tool according to the requirement.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (3)
1. A method for off-line pipe string descending of an ocean single-derrick platform is characterized by comprising the following steps: the method comprises a pipe string descending method and a pipe string lifting method; the method for lowering the pipe string comprises the following steps:
firstly, a catwalk machine conveys a sleeve, a pipe arranging machine hoists and descends from a rat hole gap and is suspended by a rat hole holder, then a second sleeve conveyed by the catwalk machine is hoisted by the pipe arranging machine and is aligned with the first sleeve, and is screwed and tightened by an iron roughneck to be connected into a pipe string, the pipe string is placed down by the pipe arranging machine and passes through a moon pool power device, the connected pipe string is suspended by the moon pool power device, the catwalk machine continuously conveys a third sleeve, the pipe arranging machine and the iron roughneck continuously install the third sleeve, the moon pool power device places the connected pipe string down to a required placing position, and the steps are repeated until the pipe string with the required length is connected;
step two, after the well mouth drilling is finished and the drill rod is lifted, directly transporting the connected pipe string to the lower part of the well mouth through a trolley, directly connecting a top drive with the pipe string, and starting the lowering operation of the pipe string;
and step three, synchronously performing the step one in the process of lowering the pipe string, and continuously connecting and assembling the rest casings into the pipe string.
2. The method of claim 1, wherein the method comprises: in the first step, the pipe string in the connection process is righted by a rat hole clamper.
3. The method of claim 1, wherein the method comprises: the method for lifting the pipe string comprises the following steps:
the method comprises the following steps that firstly, a pipe string in a hole is lifted by top drive until a seabed mud surface is lifted;
moving a moon pool power device installed on the blowout preventer trolley to a wellhead, clamping the pipe string by a hydraulic clamp on the moon pool power device, loosening the clamp on the top drive turntable, and driving the pipe string to descend and leave the drill floor by the hydraulic clamp on the moon pool power device;
thirdly, moving the moon pool power device backwards to a mouse hole for suspension;
step four, after the well mouth is opened, the drilling system executes the next drilling task;
and step five, the moon pool power device is matched with the pipe arranging machine, the iron roughneck and the rat hole clamp holder to realize the task of disassembling the drilling tool.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011123837.7A CN112253011A (en) | 2020-10-20 | 2020-10-20 | Method for offline pipe string descending of marine single-derrick platform |
| AU2021254558A AU2021254558B2 (en) | 2020-10-20 | 2021-10-19 | Method for offline lowering pipe string on offshore single derrick platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011123837.7A CN112253011A (en) | 2020-10-20 | 2020-10-20 | Method for offline pipe string descending of marine single-derrick platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112253011A true CN112253011A (en) | 2021-01-22 |
Family
ID=74245159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011123837.7A Pending CN112253011A (en) | 2020-10-20 | 2020-10-20 | Method for offline pipe string descending of marine single-derrick platform |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112253011A (en) |
| AU (1) | AU2021254558B2 (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812977A (en) * | 2009-02-25 | 2010-08-25 | 北京Tsc海洋石油装备有限公司 | Drilling platform pipe racking system and method |
| CN103485734A (en) * | 2012-06-11 | 2014-01-01 | 中国石油集团川庆钻探工程有限公司 | Under-pressure tripping method under top drive drilling machine |
| CN104060951A (en) * | 2014-05-28 | 2014-09-24 | 中国石油集团渤海石油装备制造有限公司 | Intelligent drilling tool moving and discharging system for marine drilling platform and application method of intelligent drilling tool moving and discharging system |
| CN104563912A (en) * | 2013-10-27 | 2015-04-29 | 中国石油化工集团公司 | Automatic operation system of drilling string |
| CN106194067A (en) * | 2016-07-12 | 2016-12-07 | 宝鸡石油机械有限责任公司 | Off-line sets up root device |
| CN206608120U (en) * | 2017-03-17 | 2017-11-03 | 宝鸡石油机械有限责任公司 | Land rig connects the tubing string processing system of thribble offline |
| CN109403889A (en) * | 2018-12-24 | 2019-03-01 | 辽宁陆海石油装备研究院有限公司 | A kind of movement discharge method of marine drilling platform drilling rod |
| CN109667554A (en) * | 2019-01-29 | 2019-04-23 | 宝鸡石油机械有限责任公司 | Drilling machine independently establishes the device of root and establishes method for root |
| CN111535758A (en) * | 2020-04-14 | 2020-08-14 | 宝鸡石油机械有限责任公司 | Automatic processing method for 2-single-1-upright-column drilling machine tubular column |
| CN111594073A (en) * | 2020-04-07 | 2020-08-28 | 中曼石油装备集团有限公司 | Land off-line operation drilling machine |
-
2020
- 2020-10-20 CN CN202011123837.7A patent/CN112253011A/en active Pending
-
2021
- 2021-10-19 AU AU2021254558A patent/AU2021254558B2/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812977A (en) * | 2009-02-25 | 2010-08-25 | 北京Tsc海洋石油装备有限公司 | Drilling platform pipe racking system and method |
| CN103485734A (en) * | 2012-06-11 | 2014-01-01 | 中国石油集团川庆钻探工程有限公司 | Under-pressure tripping method under top drive drilling machine |
| CN104563912A (en) * | 2013-10-27 | 2015-04-29 | 中国石油化工集团公司 | Automatic operation system of drilling string |
| CN104060951A (en) * | 2014-05-28 | 2014-09-24 | 中国石油集团渤海石油装备制造有限公司 | Intelligent drilling tool moving and discharging system for marine drilling platform and application method of intelligent drilling tool moving and discharging system |
| CN106194067A (en) * | 2016-07-12 | 2016-12-07 | 宝鸡石油机械有限责任公司 | Off-line sets up root device |
| CN206608120U (en) * | 2017-03-17 | 2017-11-03 | 宝鸡石油机械有限责任公司 | Land rig connects the tubing string processing system of thribble offline |
| CN109403889A (en) * | 2018-12-24 | 2019-03-01 | 辽宁陆海石油装备研究院有限公司 | A kind of movement discharge method of marine drilling platform drilling rod |
| CN109667554A (en) * | 2019-01-29 | 2019-04-23 | 宝鸡石油机械有限责任公司 | Drilling machine independently establishes the device of root and establishes method for root |
| CN111594073A (en) * | 2020-04-07 | 2020-08-28 | 中曼石油装备集团有限公司 | Land off-line operation drilling machine |
| CN111535758A (en) * | 2020-04-14 | 2020-08-14 | 宝鸡石油机械有限责任公司 | Automatic processing method for 2-single-1-upright-column drilling machine tubular column |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2021254558B2 (en) | 2023-05-11 |
| AU2021254558A1 (en) | 2022-05-05 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210122 |
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| RJ01 | Rejection of invention patent application after publication |