CN108612505A - A kind of offshore oil exploitation method - Google Patents
A kind of offshore oil exploitation method Download PDFInfo
- Publication number
- CN108612505A CN108612505A CN201810359453.1A CN201810359453A CN108612505A CN 108612505 A CN108612505 A CN 108612505A CN 201810359453 A CN201810359453 A CN 201810359453A CN 108612505 A CN108612505 A CN 108612505A
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- Prior art keywords
- installing pipe
- oil
- sealing
- rolling
- tube
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 37
- 238000005086 pumping Methods 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 238000005553 drilling Methods 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims abstract description 6
- 239000003129 oil well Substances 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 141
- 238000007789 sealing Methods 0.000 claims description 95
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 31
- 229910001220 stainless steel Inorganic materials 0.000 claims description 23
- 239000010935 stainless steel Substances 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 129
- 239000013535 sea water Substances 0.000 abstract description 22
- 238000011900 installation process Methods 0.000 abstract description 13
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 239000010734 process oil Substances 0.000 abstract description 5
- 239000003208 petroleum Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
-
- 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
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
- E21B43/013—Connecting a production flow line to an underwater well head
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 present invention relates to technical field of petroleum extraction, specifically a kind of offshore oil exploitation method, this approach includes the following steps：S1 builds oil exploitation platform right over oil-producing region；Production tree is mounted on seabed by S2, the surface of the oil exploitation platform in S1 using production tree pre-installation equipment；S3 drills submarine oil using drilling machine on the basis of S2；After the completion of S4, S3, pumping pipelines are transferred into drilling；S5 is come out oil extraction using oil well pump on the basis of S3.The production tree pre-installation equipment used in this method can realize that oil pick-up tube can be installed quickly; and it can ensure that whole installation process oil pick-up tube installation site has less contact with seawater; it improves oil and drills through precision; installing pipe can protect oil pick-up tube; seawater, ooze corrosion oil pick-up tube are avoided, the service life of oil pick-up tube is extended.
Description
Technical field
The present invention relates to technical field of petroleum extraction, specifically a kind of offshore oil exploitation method.
Background technology
The activity of oil and natural gas is exploited in inland sea, continental shelf and deep-sea marine site；Including geological research, feasibility point
Analysis, drilling well, acquisition, stores up the operations such as defeated at engineering design.Wherein geological research, engineering design etc. develop substantially phase with onshore oil field
Together, but drilling well, acquisition, storage is defeated etc. then has fundamental difference with land；Exploitation of offshore oil and gas be related to oceanography, meteorology, hydraulics,
The professional techniques such as the subjects such as hydrodynamics, structural mechanics and shipbuilding, navigation, environmental protection, material, Underwater Acoustics Engineering.
At sea when oil exploitation, most important is the setting of subsea production tree, and current installation method lacks preferably
The protective device to predetermined oil recovery position, oil pick-up tube is relatively difficult when mounted, lacks limiting device, oil pick-up tube is when in use
Lack protection facility, service life is limited.In consideration of it, the present invention provides a kind of offshore oil exploitation methods, with following
Feature：
(1) a kind of offshore oil exploitation method of the present invention, the production tree pre-installation equipment used in this method are close
Sealing plate can move back and forth under the drive of rolling-up mechanism, first can be connected to oil pick-up tube and mounting hole when installing oil pick-up tube
Together, sealing plate movement then being driven by the first rolling-up mechanism again so that oil pick-up tube can be screwed into the first installing pipe, with
Open plugging plate again afterwards, oil pick-up tube can be screwed into the second installing pipe, carry out oil pumping operation, realize oil pick-up tube can quickly into
Row installation, and can ensure that whole installation process oil pick-up tube installation site has less contact with seawater, improve petroleum drilling
It takes precision, installing pipe that can be protected to oil pick-up tube, avoids seawater, ooze corrosion oil pick-up tube, extend oil pick-up tube uses the longevity
Life.
(2) a kind of offshore oil exploitation method of the present invention, the production tree pre-installation equipment used in this method, leads to
Supporting mechanism, sealing mechanism and the setting of bindiny mechanism are crossed, the effect of pre-determined bit can be played to the installation of oil pick-up tube, it can be right
The oil pumping point explored in advance is protected, so that the installation process of entire underwater oil pumping tree is highly efficient, convenient.
(3) a kind of offshore oil exploitation method of the present invention, the production tree pre-installation equipment used in this method, respectively
The setting of a sealing rubber pad and seal ring effectively can prevent seawater from penetrating into installing pipe, to improve guarantee equipment
Performance, avoid installing pipe internal water accumulation.
Invention content
For the problems of the prior art, the present invention provides a kind of offshore oil exploitation method, sealing plate can received
It rolls up and is moved back and forth under the drive of mechanism, first oil pick-up tube and mounting hole can be linked together, then lead to again when installing oil pick-up tube
It crosses the first rolling-up mechanism and drives sealing plate movement so that oil pick-up tube can be screwed into the first installing pipe, then open closure again
Plate, oil pick-up tube can be screwed into the second installing pipe, carry out oil pumping operation, realize that oil pick-up tube can be installed quickly, and
It can ensure that whole installation process oil pick-up tube installation site has less contact with seawater, improve oil and drill through precision, install
Pipe can protect oil pick-up tube, avoid seawater, ooze corrosion oil pick-up tube, extend the service life of oil pick-up tube；Pass through support
Mechanism, sealing mechanism and the setting of bindiny mechanism can play the installation of oil pick-up tube the effect of pre-determined bit, can be to surveying in advance
The oil pumping point visited is protected, so that the installation process of entire underwater oil pumping tree is highly efficient, convenient；Each sealing rubber
The setting of rubber cushion and seal ring effectively can prevent seawater from penetrating into installing pipe, to improve the usability for ensureing equipment
Can, avoid installing pipe internal water accumulation.
The technical solution adopted by the present invention to solve the technical problems is：A kind of offshore oil exploitation method, this method packet
Include following steps：
S1 builds oil exploitation platform right over oil-producing region；
Production tree is mounted on sea by S2, the surface of the oil exploitation platform in S1 using production tree pre-installation equipment
Bottom；
S3 drills submarine oil using drilling machine on the basis of S2；
After the completion of S4, S3, pumping pipelines are transferred into drilling；
S5 is come out oil extraction using oil well pump on the basis of S3；
Used in this method production tree pre-installation equipment include supporting mechanism, babinet, the second installing pipe, sealing mechanism,
Bindiny mechanism, the first rolling-up mechanism, the second rolling-up mechanism, electric pushrod, power pack and oil pick-up tube；The bottom of the supporting mechanism
Portion is equipped with the babinet；The inside of the babinet, which is run through, second installing pipe, second installing pipe and the support
It is interconnected between mechanism；The top slide of the supporting mechanism is connected with the sealing mechanism, the sealing mechanism for pair
The supporting mechanism, second installing pipe are sealed, and the sealing mechanism slidably carries out the conversion between station；The case
The inside of body is equipped with the bindiny mechanism, can be fixedly connected to second installing pipe by the bindiny mechanism；Institute
The side wall for stating bindiny mechanism is equipped with the electric pushrod, and the electric pushrod is set to the inside of the babinet；The babinet it is interior
Portion both sides are respectively equipped with first rolling-up mechanism and second rolling-up mechanism, and first rolling-up mechanism is received with described second
Structure is identical between rolling up mechanism, is turned between first rolling-up mechanism, second rolling-up mechanism on the contrary, first winding
Mechanism, second rolling-up mechanism to the sealing mechanism for carrying out traction displacement；The electric pushrod, first winding
Mechanism, second rolling-up mechanism are electrically connected the power pack；The inside of the sealing mechanism, the supporting mechanism it is interior
Portion and the inside of second installing pipe are threadedly coupled the oil pick-up tube；The oil pick-up tube bottom outside is conical and interior
Portion is hollow shape structure.
Specifically, the supporting mechanism includes support plate, pedestal, guide rail bracket, the first installing pipe and fixed holdfast, it is described
The surface of support plate be equipped with the pedestal, the pedestal, the support plate interior side run through have first installing pipe,
First installing pipe is set to the surface of second installing pipe, and the surface four corners of the support plate are equipped with the fixed anchor
Nail, the surface of the pedestal is arranged with the guide rail bracket；In order to be protected to pre-specified oil pumping point, seawater is avoided
Oil pumping operation of the flow effect to the later stage.
Specifically, the length of the guide rail bracket is identical as the length of the pedestal, the surface bonding of the pedestal is connected with
First sealing rubber layer, the pedestal are rectangular parallelepiped structure；It can be convenient for the movement of sealing mechanism, improve sealing effect.
Specifically, the sealing mechanism includes sealing plate, sliding rail, the second sealing rubber layer and link, the sliding rail with
It cooperates and is slidably connected between the guide rail bracket, the sliding rail is symmetrically set in the two side of the sealing plate, the sealing plate
Area it is identical as the area of the pedestal, the sealing plate and the pedestal are arranged in parallel, the both ends of the sealing plate
It is equipped with the link, the surface of the sealing plate is provided with mounting hole, and the bottom surface of the sealing plate is equipped with described second and seals rubber
Glue-line；Changing on initially installation station and connection station to realize so that installation process is highly efficient, is contacted with water less,
Prevent water from entering in installing pipe.
Specifically, the mounting hole is circle, the mounting hole is set to the sealing plate far from first installing pipe
Surface side, the diameter of the mounting hole are identical as the diameter of the first installing pipe；The inside of the sealing plate is equipped with protrusion,
And the protrusion is cirque structure, the inside top of first installing pipe is equipped with groove, and the protrusion and the groove
It is connected；The top of the mounting hole is conical hollow structure and lower part is hollow cylindrical structure；In order to enable cooperation
Effect is more preferable, while convenient for the installation of oil pipe, and mounting hole connect even closer with sealing plate, makes oil in gatherer process
It does not leak.
Specifically, the bindiny mechanism includes connecting plate, plugging plate and outer baffle, the connecting plate is set to described first
The internal slide of the junction of installing pipe, second installing pipe, the connecting plate is connected with the plugging plate, the plugging plate
Outer end face be equipped with the outer baffle, the outer baffle is fixedly connected with the electric pushrod；In order to be carried out to two installing pipes
Connection blocks, and realizes multistage protection.
Specifically, first installing pipe, second installing pipe are arranged in a mutually vertical manner with the connecting plate, the envelope
The area of closure plate is more than the sectional area of first installing pipe, second installing pipe；In order to improve plugging effect.
Specifically, first rolling-up mechanism includes reel, driving motor, stainless steel traction rope and hook, the volume
Cylinder is set to the interior side of the babinet, and the outer wall of the reel is wound with the stainless steel traction rope, the stainless steel traction
The end of rope is equipped with the hook, and the fastened with hook connects the link, and the side wall of the rotating cylinder is rotatablely connected the driving
Motor, side wall of the stainless steel traction rope through the babinet；In order to realize the traction for sealing mechanism, station is realized
Conversion.
Specifically, the two side of the babinet and first rolling-up mechanism, the second rolling-up mechanism relative position
Be provided with perforation, being internally provided with for the perforation is embedded with rubber seal and seal ring, the stainless steel traction rope through
The rubber seal and the seal ring；Water enters in babinet in order to prevent.
Specifically, the lateral wall of the babinet is arranged with directive wheel, the outer wall fitting of the directive wheel is described across having
Stainless steel traction rope, the directive wheel stretch in the side of the support plate outside；In order to enable the moving process of stainless steel traction rope
It is more smoothly.
Beneficial effects of the present invention：
(1) a kind of offshore oil exploitation method of the present invention, the production tree pre-installation equipment used in this method are close
Sealing plate can move back and forth under the drive of rolling-up mechanism, first can be connected to oil pick-up tube and mounting hole when installing oil pick-up tube
Together, sealing plate movement then being driven by the first rolling-up mechanism again so that oil pick-up tube can be screwed into the first installing pipe, with
Open plugging plate again afterwards, oil pick-up tube can be screwed into the second installing pipe, carry out oil pumping operation, realize oil pick-up tube can quickly into
Row installation, and can ensure that whole installation process oil pick-up tube installation site has less contact with seawater, improve petroleum drilling
It takes precision, installing pipe that can be protected to oil pick-up tube, avoids seawater, ooze corrosion oil pick-up tube, extend oil pick-up tube uses the longevity
Life.
(2) a kind of offshore oil exploitation method of the present invention, the production tree pre-installation equipment used in this method, leads to
Supporting mechanism, sealing mechanism and the setting of bindiny mechanism are crossed, the effect of pre-determined bit can be played to the installation of oil pick-up tube, it can be right
The oil pumping point explored in advance is protected, so that the installation process of entire underwater oil pumping tree is highly efficient, convenient.
(3) a kind of offshore oil exploitation method of the present invention, the production tree pre-installation equipment used in this method, respectively
The setting of a sealing rubber pad and seal ring effectively can prevent seawater from penetrating into installing pipe, to improve guarantee equipment
Performance, avoid installing pipe internal water accumulation.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is that the production tree used in this method pre-installs the structural schematic diagram of equipment；
Fig. 2 is supporting mechanism shown in FIG. 1, sealing mechanism and box house attachment structure schematic diagram；
Fig. 3 is the first rolling-up mechanism structural schematic diagram shown in Fig. 2；
Fig. 4 is bindiny mechanism shown in Fig. 2 and installing pipe attachment structure schematic diagram；
Fig. 5 is babinet shown in FIG. 1 and stainless steel traction rope attachment structure schematic diagram；
Fig. 6 is that sealing mechanism shown in FIG. 1 is moved to the first installing pipe top structure schematic diagram；
Fig. 7 is oil pick-up tube shown in FIG. 1, mounting hole, the first installing pipe schematic cross-section.
In figure：1, supporting mechanism, 11, support plate, 12, pedestal, the 121, first sealing rubber layer, 122, groove, 13, guide rail
Frame, the 14, first installing pipe, 15, fixed holdfast, 2, babinet, 21, perforation, 22, rubber seal, 23, seal ring, the 3, second peace
Tubulature, 4, sealing mechanism, 41, sealing plate, 411, mounting hole, 412, protrusion, 42, sliding rail, the 43, second sealing rubber layer, 44, hang
Ring, 5, bindiny mechanism, 51, connecting plate, 52, plugging plate, 53, outer baffle, the 6, first rolling-up mechanism, 61, reel, 62, driving electricity
Machine, 63, stainless steel traction rope, 64, hook, the 7, second rolling-up mechanism, 8, electric pushrod, 9, power pack, 9b, 9a, oil pick-up tube are led
To wheel.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific implementation mode is closed, the present invention is further explained.
As shown in figs 1 to 6, a kind of offshore oil exploitation method of the present invention, this approach includes the following steps：
S1 builds oil exploitation platform right over oil-producing region；
Production tree is mounted on sea by S2, the surface of the oil exploitation platform in S1 using production tree pre-installation equipment
Bottom；
S3 drills submarine oil using drilling machine on the basis of S2；
After the completion of S4, S3, pumping pipelines are transferred into drilling；
S5 is come out oil extraction using oil well pump on the basis of S3；
The production tree pre-installation equipment used in this method includes supporting mechanism 1, babinet 2, the second installing pipe 3, sealer
Structure 4, bindiny mechanism 5, the first rolling-up mechanism 6, the second rolling-up mechanism 7, electric pushrod 8, power pack 9 and oil pick-up tube 9a；It is described
The bottom of supporting mechanism 1 is equipped with the babinet 2；The inside of the babinet 2, which is run through, second installing pipe 3, and described second
It is interconnected between installing pipe 3 and the supporting mechanism 1；The top slide of the supporting mechanism 1 is connected with the sealing mechanism
4, for being sealed to the supporting mechanism 1, second installing pipe 3, the sealing mechanism 4 can be slided the sealing mechanism 4
The dynamic conversion carried out between station；The inside of the babinet 2 is equipped with the bindiny mechanism 5, can be to institute by the bindiny mechanism 5
The second installing pipe 3 is stated to be fixedly connected；The side wall of the bindiny mechanism 5 is equipped with the electric pushrod 8, the electric pushrod 8
Set on the inside of the babinet 2；The inside both sides of the babinet 2 are respectively equipped with first rolling-up mechanism 6 and described second and receive
Mechanism 7 is rolled up, structure is identical between first rolling-up mechanism 6 and second rolling-up mechanism 7, first rolling-up mechanism 6, institute
Steering is on the contrary, first rolling-up mechanism 6, second rolling-up mechanism 7 are used for the sealing between stating the second rolling-up mechanism 7
Mechanism 4 carries out traction displacement；The electric pushrod 8, first rolling-up mechanism 6, second rolling-up mechanism 7 are electrically connected
The power pack 9；The inside of the inside of the sealing mechanism 4, the inside of the supporting mechanism 1 and second installing pipe 3
It is threadedly coupled the oil pick-up tube 9a；The oil pick-up tube 9a bottom outsides are cone and inside is hollow shape structure.
Specifically, as shown in Figure 1, the supporting mechanism 1 includes support plate 11, pedestal 12, guide rail bracket 13, the first installing pipe
14 and fixed holdfast 15, the surface of the support plate 11 is equipped with the pedestal 12, the pedestal 12, the support plate 11 it is interior
Portion side, which is run through, first installing pipe 14, and first installing pipe 14 is set to the surface of second installing pipe 3, institute
The surface four corners for stating support plate 11 are equipped with the fixed holdfast 15, and the surface of the pedestal 12 is arranged with the guide rail bracket
13；In order to be protected to pre-specified oil pumping point, avoid seawater flow effect to the later stage oil pumping operation.
Specifically, as depicted in figs. 1 and 2, the length of the guide rail bracket 13 is identical as the length of the pedestal 12, the base
The surface bonding of seat 12 is connected with the first sealing rubber layer 121, and the pedestal 12 is rectangular parallelepiped structure；It can be convenient for sealing mechanism
4 movement improves sealing effect.
Specifically, as shown in Figure 1, the sealing mechanism 4 include sealing plate 41, sliding rail 42, the second sealing rubber layer 43 with
And link 44, it cooperates and is slidably connected between the sliding rail 42 and the guide rail bracket 13, the sliding rail 42 is symmetrically set in described
The two side of sealing plate 41, the area of the sealing plate 41 is identical as the area of the pedestal 12, the sealing plate 41 with it is described
Pedestal 12 is arranged in parallel, and the both ends of the sealing plate 41 are equipped with the link 44, and the surface of the sealing plate 41 is provided with
The bottom surface of mounting hole 411, the sealing plate 41 is equipped with second sealing rubber layer 43；In order to realize initially installation station and
Change on connection station so that installation process is highly efficient, is contacted with water less, prevents water from entering in installing pipe.
Specifically, as shown in Figure 1 and Figure 7, the mounting hole 411 is circle, the mounting hole 411 is set to the sealing plate
The 41 surface sides far from first installing pipe 14, the diameter of the diameter of the mounting hole 411 and first installing pipe 14
It is identical；The inside of the sealing plate 41 is equipped with protrusion 412, and described raised 412 be cirque structure, first installing pipe 14
Inside top be equipped with groove 122, and described raised 412 with the groove 122 be connected；The top of the mounting hole 411
It is hollow cylindrical structure for conical hollow structure and lower part；In order to enable fiting effect is more preferable, it is convenient for the installation of oil pipe.
Specifically, as shown in Figure 2 and Figure 4, the bindiny mechanism 5 includes connecting plate 51, plugging plate 52 and outer baffle 53,
The connecting plate 51 is set to the junction of first installing pipe 14, second installing pipe 3, and the inside of the connecting plate 51 is slided
Dynamic to be connected with the plugging plate 52, the outer end face of the plugging plate 52 is equipped with the outer baffle 53, the outer baffle 53 with it is described
Electric pushrod 8 is fixedly connected；In order to be attached, block to two installing pipes, multistage protection is realized.
Specifically, as shown in Figure 2 and Figure 4, first installing pipe 14, second installing pipe 3 with the connecting plate
51 are arranged in a mutually vertical manner, and the area of the plugging plate 52 is more than the section of first installing pipe 14, second installing pipe 3
Product；In order to improve plugging effect.
Specifically, as shown in Figures 2 and 3, first rolling-up mechanism 6 is led including reel 61, driving motor 62, stainless steel
Messenger 63 and hook 64, the reel 61 are set to the interior side of the babinet 2, and the outer wall of the reel 61 is wound with described
The end of stainless steel traction rope 63, the stainless steel traction rope 63 is equipped with the hook 64, and the hook 64 is fastened and connected described
Link 44, the side wall of the rotating cylinder 61 are rotatablely connected the driving motor 62, and the stainless steel traction rope 63 is through the case
The side wall of body 2；In order to realize the traction for sealing mechanism 4, station conversion is realized.
Specifically, as shown in figure 5, the two side of the babinet 2 and first rolling-up mechanism 6, second winder
7 relative position of structure is provided with perforation 21, and being internally provided with for the perforation 21 is embedded with rubber seal 22 and seal ring 23, institute
Stainless steel traction rope 63 is stated through the rubber seal 22 and the seal ring 23；Water enters in babinet 2 in order to prevent.
Specifically, as shown in Fig. 2, the lateral wall of the babinet 2 is arranged with directive wheel 9b, the outer wall of the directive wheel 9b
Fitting stretches in the side of the support plate 11 across there is the stainless steel traction rope 63 outside the directive wheel 9b；In order to enable not
The moving process of rust steel traction rope 63 is more smoothly.
Sealing plate 41 can move back and forth under the drive of rolling-up mechanism, can be when installing oil pick-up tube 9a, first by oil pick-up tube
9a links together with mounting hole 411, then drives sealing plate 41 to move by the first rolling-up mechanism 6 again so that oil pick-up tube 9a
It can be screwed into the first installing pipe 14, then open plugging plate 52 again, oil pick-up tube 9a can be screwed into the second installing pipe 3,
Oil pumping operation is carried out, realizes that oil pick-up tube 9a can be installed quickly, and can ensure whole installation process oil pick-up tube 9a peaces
Holding position has less contact with seawater, improves oil and drills through precision, installing pipe can protect oil pick-up tube 9a, avoid
Seawater, ooze corrosion oil pick-up tube 9a extend the service life of oil pick-up tube 9a；Pass through supporting mechanism 1, sealing mechanism 4 and connection
The setting of mechanism 5 can play the installation of oil pick-up tube 9a the effect of pre-determined bit, can be protected to the oil pumping point explored in advance
Shield, so that the installation process of entire underwater oil pumping tree is highly efficient, convenient；Each sealing rubber pad and seal ring 23
Setting effectively can prevent seawater from penetrating into installing pipe, to improve the performance for ensureing equipment, avoid in installing pipe
Ponding.Specifically have：
(1) when carrying out offshore oil acquisition, the hole of certain depth first is drilled out in seabed, equipment is mounted on specific bit
It sets, and ensures that the second installing pipe 3 is placed in preformed hole, then fixed each fixed holdfast 15, realizes the installation for equipment；
(2) when needing to carry out the installation of subsea production tree, first oil pick-up tube 9a is threaded into mounting hole 411, so
Start the driving motor 62 in the first rolling-up mechanism 6 afterwards, band movable reel 61 rotates, and then drives by stainless steel traction rope 63 close
Sealing plate 41 moves, and stainless steel traction rope 63 is wound along directive wheel 9b to outside reel 61, and sliding rail 42 is moved along guide rail bracket 13,
First sealing rubber layer 121 and the second sealing rubber layer 43 can be sealed sealing plate 41 and 12 joint place of pedestal, prevent
Seawater enters, and rubber seal 22, seal ring 23 can avoid seawater from being flowed into babinet 2 so that entire moving process is kept
Preferable leakproofness；When the mounting hole 411 of sealing plate 41 is moved to the surface of the first installing pipe 14, the first rolling-up mechanism 6
It is stopped, then proceedes to screw in oil pick-up tube 9a downwards so that oil pick-up tube 9a passes through mounting hole 411 and is screwed into the first installing pipe
In 14；
(3) start electric pushrod 8 and then plugging plate 52 is driven to leave connecting plate 51, then the first installing pipe 14, second is pacified
Tubulature 3 is interconnected, and subsequent operating personnel can continue to screw in oil pick-up tube 9a downwards so that oil pick-up tube 9a enters the second installation
In pipe 3, and submarine soil layer is touched, can finally carry out punching mining operations；
(4) when needing to remove oil pick-up tube 9a, oil pick-up tube 9a need to only be rotated backward so that oil pick-up tube 9a is screwed out upwards, when
When screwing out the second installing pipe 3, driving plugging plate 52 blocks the second installing pipe 3, then proceedes to upward turn, when screwing out the
One installing pipe 14, into mounting hole 411 when, the second rolling-up mechanism 7 drive 41 counter motion of sealing plate so that mounting hole 411 from
The first installing pipe 3 is opened, sealing plate 41 can block the first installing pipe 14, can then screw out oil pick-up tube 9a.
The sealing plate 41 of the present invention can move back and forth under the drive of rolling-up mechanism, can be when installing oil pick-up tube 9a, first
Oil pick-up tube 9a and mounting hole 411 are linked together, then drive sealing plate 41 to move by the first rolling-up mechanism 6 again so that
Oil pick-up tube 9a can be screwed into the first installing pipe 14, then open plugging plate 52 again, and oil pick-up tube 9a can be screwed into the second peace
In tubulature 3, oil pumping operation is carried out, realizes that oil pick-up tube 9a can be installed quickly, and can ensure that whole installation process is taken out
Oil pipe 9a installation sites have less contact with seawater, improve oil and drill through precision, installing pipe can carry out oil pick-up tube 9a
Protection avoids seawater, ooze corrosion oil pick-up tube 9a, extends the service life of oil pick-up tube 9a；Pass through supporting mechanism 1, sealing mechanism 4
And the setting of bindiny mechanism 5, the effect of pre-determined bit can be played to the installation of oil pick-up tube 9a, oil pumping that can be to having explored in advance
Point is protected, so that the installation process of entire underwater oil pumping tree is highly efficient, convenient；Each sealing rubber pad and only
The setting of water ring 23 effectively can prevent seawater from penetrating into installing pipe, to improve the performance for ensureing equipment, avoid
Installing pipe internal water accumulation.
Plugging plate 52 can be sealed the top of the second installing pipe 3, prevent the seawater in the second installing pipe 3 from penetrating into
First installation
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in the above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (10)
1. a kind of offshore oil exploitation method, which is characterized in that this approach includes the following steps：
S1 builds oil exploitation platform right over oil-producing region；
Production tree is mounted on seabed by S2, the surface of the oil exploitation platform in S1 using production tree pre-installation equipment；
S3 drills submarine oil using drilling machine on the basis of S2；
After the completion of S4, S3, pumping pipelines are transferred into drilling；
S5 is come out oil extraction using oil well pump on the basis of S3；
The production tree pre-installation equipment used in this method includes supporting mechanism (1), babinet (2), the second installing pipe (3), sealing
Mechanism (4), bindiny mechanism (5), the first rolling-up mechanism (6), the second rolling-up mechanism (7), electric pushrod (8), power pack (9) and
Oil pick-up tube (9a)；The bottom of the supporting mechanism (1) is equipped with the babinet (2)；The inside of the babinet (2) is described through having
Second installing pipe (3) is interconnected between second installing pipe (3) and the supporting mechanism (1)；The supporting mechanism (1)
Top slide be connected with the sealing mechanism (4), the sealing mechanism (4) is used for the supporting mechanism (1), described second
Installing pipe (3) is sealed, and the sealing mechanism (4) slidably carries out the conversion between station；It installs the inside of the babinet (2)
There is the bindiny mechanism (5), second installing pipe (3) can be fixedly connected by the bindiny mechanism (5)；The company
The side wall of connection mechanism (5) is equipped with the electric pushrod (8), and the electric pushrod (8) is set to the inside of the babinet (2)；It is described
The inside both sides of babinet (2) are respectively equipped with first rolling-up mechanism (6) and second rolling-up mechanism (7), and described first receives
It is identical to roll up structure between mechanism (6) and second rolling-up mechanism (7), first rolling-up mechanism (6), second winder
It is turned between structure (7) on the contrary, first rolling-up mechanism (6), second rolling-up mechanism (7) are used for the sealing mechanism
(4) traction displacement is carried out；The electric pushrod (8), first rolling-up mechanism (6), second rolling-up mechanism (7) are electrically
Connect the power pack (9)；The inside of the sealing mechanism (4), the inside of the supporting mechanism (1) and second installation
The inside of pipe (3) is threadedly coupled the oil pick-up tube (9a)；Oil pick-up tube (9a) bottom outside is during conical and inside is
Empty shape structure.
2. a kind of offshore oil exploitation method according to claim 1, it is characterised in that：The supporting mechanism (1) includes
Support plate (11), pedestal (12), guide rail bracket (13), the first installing pipe (14) and fixed holdfast (15), the support plate (11)
Surface be equipped with the pedestal (12), the pedestal (12), the support plate (11) interior side run through have described first
Installing pipe (14), first installing pipe (14) are set to the surface of second installing pipe (3), the table of the support plate (11)
Face four corners are equipped with the fixed holdfast (15), and the surface of the pedestal (12) is arranged with the guide rail bracket (13).
3. a kind of offshore oil exploitation method according to claim 2, it is characterised in that：The length of the guide rail bracket (13)
Identical as the length of the pedestal (12), the surface bonding of the pedestal (12) is connected with the first sealing rubber layer (121), described
Pedestal (12) is rectangular parallelepiped structure.
4. a kind of offshore oil exploitation method according to claim 2, it is characterised in that：The sealing mechanism (4) includes
Sealing plate (41), sliding rail (42), the second sealing rubber layer (43) and link (44), the sliding rail (42) and the guide rail bracket
(13) it cooperates and is slidably connected between, the sliding rail (42) is symmetrically set in the two side of the sealing plate (41), the sealing
The area of plate (41) is identical as the area of the pedestal (12), and the sealing plate (41) is mutually parallel with the pedestal (12) to be set
It sets, the both ends of the sealing plate (41) are equipped with the link (44), and the surface of the sealing plate (41) is provided with mounting hole
(411), the bottom surface of the sealing plate (41) is equipped with second sealing rubber layer (43).
5. a kind of offshore oil exploitation method according to claim 4, it is characterised in that：The mounting hole (411) is circle
Shape, the mounting hole (411) are set to surface side of the sealing plate (41) far from first installing pipe (14), the installation
The diameter in hole (411) is identical as the diameter of the first installing pipe (14)；The inside of the sealing plate (41) is equipped with protrusion
(412), and described raised (412) are cirque structure, and the inside top of first installing pipe (14) is equipped with groove (122),
And raised (412) are connected with the groove (122)；The top of the mounting hole (411) is conical hollow structure
And lower part is hollow cylindrical structure.
6. a kind of offshore oil exploitation method according to claim 1, it is characterised in that：The bindiny mechanism (5) includes
Connecting plate (51), plugging plate (52) and outer baffle (53), the connecting plate (51) are set to first installing pipe (14), described
The internal slide of the junction of second installing pipe (3), the connecting plate (51) is connected with the plugging plate (52), the plugging plate
(52) outer end face is equipped with the outer baffle (53), and the outer baffle (53) is fixedly connected with the electric pushrod (8).
7. a kind of offshore oil exploitation method according to claim 6, it is characterised in that：First installing pipe (14),
Second installing pipe (3) is arranged in a mutually vertical manner with the connecting plate (51), and the area of the plugging plate (52) is more than described
The sectional area of first installing pipe (14), second installing pipe (3).
8. a kind of offshore oil exploitation method according to claim 4, it is characterised in that：First rolling-up mechanism (6)
Including reel (61), driving motor (62), stainless steel traction rope (63) and hook (64), the reel (61) is set to the case
The outer wall of the interior side of body (2), the reel (61) is wound with the stainless steel traction rope (63), the stainless steel traction rope
(63) end is equipped with the hook (64), and the hook (64) is fastened and connected the link (44), the side of the rotating cylinder (61)
Wall is rotatablely connected the driving motor (62), side wall of the stainless steel traction rope (63) through the babinet (2).
9. a kind of offshore oil exploitation method according to claim 1, it is characterised in that：The two side of the babinet (2)
It is provided with perforation (21), the perforation with first rolling-up mechanism (6), second rolling-up mechanism (7) relative position
(21) be internally provided with is embedded with rubber seal (22) and seal ring (23), and the stainless steel traction rope (63) is through described
Rubber seal (22) and the seal ring (23).
10. a kind of offshore oil exploitation method according to claim 8, it is characterised in that：The lateral wall of the babinet (2)
It is arranged with directive wheel (9b), the outer wall fitting of the directive wheel (9b) is described to lead across there is the stainless steel traction rope (63)
The side of the support plate (11) is stretched in outside to wheel (9b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810359453.1A CN108612505B (en) | 2018-04-20 | 2018-04-20 | Offshore oil exploitation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810359453.1A CN108612505B (en) | 2018-04-20 | 2018-04-20 | Offshore oil exploitation method |
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| Publication Number | Publication Date |
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| CN108612505A true CN108612505A (en) | 2018-10-02 |
| CN108612505B CN108612505B (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810359453.1A Active CN108612505B (en) | 2018-04-20 | 2018-04-20 | Offshore oil exploitation method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53104503A (en) * | 1977-01-27 | 1978-09-11 | Nat Erufu Akiteenu Purodakushi | Method of seating tool and seating tool |
| GB2177768A (en) * | 1985-06-21 | 1987-01-28 | R J Brown And Associates | Replaceable seals for pipelines |
| GB2351301A (en) * | 1999-06-25 | 2000-12-27 | Stephen Hatton | Concentric catenary riser |
| CN102536150A (en) * | 2010-12-15 | 2012-07-04 | 韦特柯格雷公司 | Emergency subsea wellhead closure devices |
| CN102678082A (en) * | 2011-03-01 | 2012-09-19 | 韦特柯格雷公司 | Drilling riser adapter (11) connecting member possessing submarine operation |
| CN105057476A (en) * | 2015-07-17 | 2015-11-18 | 苏州金牛精密机械有限公司 | Automatic connector for air pipe connecting ports |
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2018
- 2018-04-20 CN CN201810359453.1A patent/CN108612505B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53104503A (en) * | 1977-01-27 | 1978-09-11 | Nat Erufu Akiteenu Purodakushi | Method of seating tool and seating tool |
| GB2177768A (en) * | 1985-06-21 | 1987-01-28 | R J Brown And Associates | Replaceable seals for pipelines |
| GB2351301A (en) * | 1999-06-25 | 2000-12-27 | Stephen Hatton | Concentric catenary riser |
| CN102536150A (en) * | 2010-12-15 | 2012-07-04 | 韦特柯格雷公司 | Emergency subsea wellhead closure devices |
| CN102678082A (en) * | 2011-03-01 | 2012-09-19 | 韦特柯格雷公司 | Drilling riser adapter (11) connecting member possessing submarine operation |
| CN105057476A (en) * | 2015-07-17 | 2015-11-18 | 苏州金牛精密机械有限公司 | Automatic connector for air pipe connecting ports |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108612505B (en) | 2020-10-30 |
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