CN109138840A - A kind of simple type petroleum subterranean well and casing bit - Google Patents
A kind of simple type petroleum subterranean well and casing bit Download PDFInfo
- Publication number
- CN109138840A CN109138840A CN201811084041.8A CN201811084041A CN109138840A CN 109138840 A CN109138840 A CN 109138840A CN 201811084041 A CN201811084041 A CN 201811084041A CN 109138840 A CN109138840 A CN 109138840A
- Authority
- CN
- China
- Prior art keywords
- drilling
- casing
- well
- drill
- oil
- 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
- 239000003208 petroleum Substances 0.000 title claims abstract description 33
- 238000005553 drilling Methods 0.000 claims abstract description 284
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 116
- 239000012530 fluid Substances 0.000 claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 claims abstract description 57
- 230000001681 protective effect Effects 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 239000004568 cement Substances 0.000 claims description 69
- 239000007789 gas Substances 0.000 claims description 53
- 238000007789 sealing Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 22
- 238000005266 casting Methods 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 18
- 239000013535 sea water Substances 0.000 claims description 17
- 238000011161 development Methods 0.000 claims description 13
- 230000007774 longterm Effects 0.000 claims description 12
- 230000000638 stimulation Effects 0.000 claims description 11
- 239000004575 stone Substances 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 15
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 71
- 239000003921 oil Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000007596 consolidation process Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
-
- 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
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/12—Underwater drilling
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
It include casing, drill string, drilling pump, water pipe system, radiant section bolt, annular space, vacuum oil drill collar, drill bit, drilling well tree, well liquid rifle, drilling tool the invention discloses a kind of simple type petroleum subterranean well and casing bit；Four radiant section bolts are installed in the annular space upper end, for fixing drill string；The vacuum oil drill collar is located on the drill string part；The vacuum oil drill collar upper end is equipped with starting lifting system, drilling well drive system, drilling well lower part；The casing includes production string, protective casing, surface pipe, conduit；It can be realized circulation of drilling fluid in the brill oil and casing of ocean floor drilling to use.The present invention realizes that circulation of drilling fluid uses in the brill oil and casing of ocean floor drilling, and structure is simple, easy to use, practical, can generate good economic benefit and social benefit.
Description
Technical field
The present invention relates to petroleum subterranean well, sleeve design and the technical fields used, more specifically, being related to a kind of letter
Easy type petroleum subterranean well and casing bit.
Background technique
With development in science and technology, the technology of oil drilling is constantly permeated to various fields, and oil drilling and casing problem are urgently
It is to be solved.The advantages that simple type petroleum subterranean well and easy to use, quick casing bit, starts the favor by people.
There are following some following disadvantages for previous simple type petroleum subterranean well and casing bit: (one), oil exploitation.
Casing mounting design compares a point difficulty.(2), simple type petroleum subterranean well efficiency is bad.(3), stone simple type petroleum underground
The effect of drilling well and casing bit is bad, such as needs long-time casting sleeve, cleaning greasy dirt.(4), manpower cannot be saved, it is raw
It is lower to produce efficiency, good economic benefit and social benefit can not be generated.
Summary of the invention
Present invention invention is to give a kind of simple type petroleum subterranean well and casing bit to overcome above-mentioned deficiency.
Technical scheme is as follows: a kind of simple type petroleum subterranean well and casing bit include casing, drill string, brill
Well pump, water pipe system, radiant section bolt, annular space, vacuum oil drill collar, drill bit, drilling well tree, well liquid rifle, drilling tool.
Further, four radiant section bolts are installed in the annular space upper end, for fixing drill string；The vacuum oil bores
Quickly it is located on the drill string part；The vacuum oil drill collar upper end is equipped under starting lifting system, drilling well drive system, drilling well
Portion.
Further, the casing includes production string, protective casing, surface pipe, conduit.
Further, the production string is made of the casting of cement, seamless steel pipe, cement sealing, positioned at casing
Shakeproof layer is arranged in lowest level, production string；Production string generally requires one layer of steel pipe of tripping in and to carry out in casing and the borehole wall
The operation of cement is injected in annular space.
Further, the production string is that oil, gas and water layer and different pressures oil, the air bound of underground are opened, and is provided
Oil, gas flow to the channel on ground from generating layer, guarantee the production steady in a long-term of oil, gas well, and meet oil and gas development and increase from now on
The needs of production measure.
Further, the protective casing cement sealing, lower protective casing are to seal drilling fluid in drilling process to be difficult to
Bad ground is controlled, some wells sometimes need lower multilayer technique casing, particular in that when encountering the stratum of different pressures, it must
Palpus tripping in, protective casing separate the stratum of different pressures, to ensure the safety work construction of drilling well.
Further, the surface conductor pipe, for drift sand, stone, gas and the water layer of top shallow-layer, cement envelope to be isolated
Gu surface conductor pipe, positioned at the lower part of conduit, the depth of tripping in is 200 meters.
Further, the conduit is made of the casting of cement, seamless steel pipe, cement sealing, when a well is spudded in
It will tripping in underground；The conduit is located at the top layer of casing, and conduit is the drilling well that drilling fluid is guided to top from earth's surface
Come on device, to maintain the recycling of drilling fluid in drilling engineering.
The drilling rod is the drilling rod of square, and the length of drilling rod is ten meters, installs drill bit in drilling rod lower part.
Further, the top of the drilling rod has anti-pulley, one square inner hole of setting among anti-pulley, and four
Six 20 centimetres of diameter of stud is set on square inner bore, and square inner hole can be just mounted on drilling rod, in square
Disk is bored in the position installation that hole can just be mounted on drilling rod, allows and bores disk the drilling rod power that rotates is driven to become drilling rod and drive drill bit
Rotation, carries out the drillng operation of drill bit.
Further, the effect of the drilling pump is the necessary energy of circulation of drilling fluid, with certain pressure and stream
Drilling fluid is input into drilling tool by amount, completes entire cyclic process.
The drilling tool includes connector, anti-pulley, drill with ferrule cock.
Further, it is connected between the drill bit and drill with ferrule cock by connector.
Further, the drill bit is interior hexagonal rotary drilling-head, and the diameter of drill bit is 0. 5 meters, for drilling
The pool of seawater；Two damping plugs built in drill with ferrule cock；Anti-pulley installs anti-pulley, drilling tool movement above drill with ferrule cock.
The water pipe system includes water band, tap, water valve.
Further, the upper surface of the drill string is equipped with tap.
Further, by water band connection between tap and drilling pump, one water is set in the middle position of water band
Valve.
Further, a well liquid rifle is installed on the side of the drill string, when the middle position of tap, water band is set
It sets a water valve to open simultaneously, drilling well pump work, drilling fluid flows to well liquid rifle by water band, and finally circulation flows to drilling well.
Invention of the present invention compared with prior art, has the following advantages and outstanding effects: (1), the present invention use one
Kind of simple type petroleum subterranean well and casing bit include casing, drill string, drilling pump, water pipe system, radiant section bolt, annular space,
Vacuum oil drill collar, drill bit, drilling well tree, well liquid rifle, drilling tool；Four radiant section bolts are installed in the annular space upper end, for solid
Determine drill string；The vacuum oil drill collar is located on the drill string part；The vacuum oil drill collar upper end be equipped with starting lifting system,
Drilling well drive system, drilling well lower part；The casing includes production string, protective casing, surface pipe, conduit；The oil
Layer casing is made of the casting of cement, seamless steel pipe, cement sealing, and positioned at the lowest level of casing, shakeproof layer is arranged in production string；
Production string generally requires one layer of steel pipe of tripping in and to carry out the operation for injecting cement in the annular space of casing and the borehole wall；Institute
The production string stated is that oil, gas and water layer and different pressures oil, the air bound of underground are opened, and provides oil, gas from generating layer and flow to ground
Channel, guarantee the production steady in a long-term of oil, gas well, and meet the needs of oil and gas development and well stimulation from now on；The skill
Art casing cement sealing, lower protective casing are to seal drilling fluid in drilling process to be difficult to control bad ground, and some wells are sometimes
Lower multilayer technique casing is needed, particular in that when encountering the stratum of different pressures, it is necessary to which tripping in, protective casing separate different pressures
The stratum of power, to ensure the safety work construction of drilling well；The surface conductor pipe, for be isolated the drift sand of top shallow-layer, stone,
Gas and water layer, cement sealing, surface conductor pipe, positioned at the lower part of conduit, the depth of tripping in is 200 meters；The conduit is by water
The casting of mud, seamless steel pipe is made, cement sealing, will tripping in underground when a well is spudded in；The conduit is located at set
The top layer of pipe, conduit are by drilling fluid from the drilling rig that earth's surface guides to top, to maintain drilling fluid in drilling engineering
Recycling, structure is simple, easy to use, practical.
(2), the casing that the present invention uses includes production string, protective casing, surface pipe, conduit；The oil reservoir set
Pipe is made of the casting of cement, seamless steel pipe, cement sealing, and positioned at the lowest level of casing, shakeproof layer is arranged in production string；Oil reservoir
Casing generally requires one layer of steel pipe of tripping in and to carry out the operation for injecting cement in the annular space of casing and the borehole wall；Described
Production string is that oil, gas and water layer and different pressures oil, the air bound of underground are opened, and provides oil, gas from generating layer and flow to the logical of ground
Road, guarantees the production steady in a long-term of oil, gas well, and meets the needs of oil and gas development and well stimulation from now on；The technology set
Pipe cement sealing, lower protective casing are to seal drilling fluid in drilling process to be difficult to control bad ground, and some wells sometimes need
Lower multilayer technique casing, particular in that when encountering the stratum of different pressures, it is necessary to which tripping in, protective casing separate different pressures
Stratum, to ensure the safety work construction of drilling well；The surface conductor pipe, for be isolated the drift sand of top shallow-layer, stone, gas and
Water layer, cement sealing, surface conductor pipe, positioned at the lower part of conduit, the depth of tripping in is 200 meters；The conduit is by cement, nothing
The casting of seam steel pipe is made, and cement sealing will tripping in underground when a well is spudded in；The conduit is located at casing most
Upper layer, conduit 5 are by drilling fluid from the drilling rig that earth's surface guides to top, to maintain the circulation of drilling fluid in drilling engineering
It uses.
(3), for the drilling rod that the present invention uses for the drilling rod of square, the length of drilling rod is ten meters, installs and bores in drilling rod lower part
Head；The top of the drilling rod has anti-pulley, and the intermediate of anti-pulley is arranged a square inner hole, is arranged on square inner hole
Six 20 centimetres of diameter of stud, square inner hole can be just mounted on drilling rod, can be just mounted in square inner hole
Drilling rod position installation bore disk, allow bore disk drive drilling rod rotate power become drilling rod drive drill bit rotation, carry out drill bit
Drillng operation.
(4), the effect for the drilling pump that the present invention uses is the necessary energy of circulation of drilling fluid, with certain pressure and stream
Drilling fluid is input into drilling tool by amount, completes entire cyclic process.
(5), the drilling tool that the present invention uses includes connector, anti-pulley, drill with ferrule cock；Between the drill bit and drill with ferrule cock
It is connected by connector；The drill bit is interior hexagonal rotary drilling-head, and the diameter of drill bit is 0. 5 meters, for drilling seawater
Pool；Two damping plugs built in drill with ferrule cock；Anti-pulley installs anti-pulley, drilling tool movement above drill with ferrule cock.
(6), the water pipe system that the present invention uses includes water band, tap, water valve；The upper surface of described drill string is equipped with water
Faucet；By water band connection between tap and drilling pump, one water valve is set in the middle position of water band；The drill string
Side install a well liquid rifle, when tap, water band middle position be arranged a water valve open simultaneously, drilling pump work
Make, drilling fluid flows to well liquid rifle by water band, and finally circulation flows to drilling well.
(7), the process of the drilling well of seawater is completed in a kind of simple type petroleum subterranean well and casing bit, as described below:
Step1, casing reinforcement, casing are that oil, gas and water layer and different pressures oil, the air bound of underground are opened, and provide oily, gas from generating layer
It is flow to the channel on ground, guarantees the production steady in a long-term of oil, gas well, and meets the needs of oil and gas development and well stimulation from now on.
In detail, each layer casing of tripping in will generally use cement sealing in drilling process, wherein the water filling of production string
Shale amount is especially important, has to the consolidation quality for determining casing and two interfaces of cement.Casing will carry out oil after perforation, in shape
At oil pressure difference under the action of voluntarily flow in casing.
Step2, starting lifting system, drilling well drive system；Vacuum oil drill collar upper end is equipped with starting lifting system, drilling well
Drive system, drilling well lower part, the starting of vacuum oil drill collar.
Step3, drilling tool movement, are connected between drill bit and drill with ferrule cock by connector；The drill bit is interior hexagonal
Rotary drilling-head, the diameter of drill bit is 0. 5 meters, for drilling the pool of seawater；Two damping plugs built in drill with ferrule cock；It is anti-
Pulley installs anti-pulley, drilling tool movement above drill with ferrule cock.
Step4, circulation of drilling fluid use, by water band connection between tap and drilling pump, in the center meta position of water band
Install a water valve；A well liquid rifle is installed on the side of the drill string, when the middle position of tap, water band is arranged
One water valve opens simultaneously, and drilling well pump work, drilling fluid flows to well liquid rifle by water band, and finally circulation flows to drilling well.
Step5, the drilling well for completing seawater.
In addition to the above, the present invention realizes that circulation of drilling fluid uses in the brill oil and casing of ocean floor drilling, structure letter
It is single, easy to use, it is practical, good economic benefit and social benefit can be generated.
Further advantage, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.The objects and other advantages of the present invention can be wanted by following specification and right
Book is sought to be achieved and obtained.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a kind of simple type petroleum subterranean well that the present invention invents and casing bit；
Mark in Fig. 1:
1, production string,
2, protective casing,
3, surface pipe,
4, drill string,
5, conduit,
6, drilling pump,
7, water pipe system,
8, radiant section bolt,
9, annular space,
10, vacuum oil drill collar,
11, drill bit.
Fig. 2 is the structural representation of a kind of simple type petroleum subterranean well that the present invention invents and the connection of casing bit middle sleeve
Figure；
Mark in Fig. 2:
12, drilling well tree.
Fig. 3 is the structure of water pipe system connection in a kind of simple type petroleum subterranean well that the present invention invents and casing bit
Schematic diagram；
Mark in Fig. 3:
13, well liquid rifle,
14, water valve,
15, tap.
Fig. 4 is drilling fluid distribution map in a kind of simple type petroleum subterranean well that the present invention invents and casing bit；
Fig. 5 is drilling tool structure schematic diagram in a kind of simple type petroleum subterranean well that the present invention invents and casing bit.
Mark in Fig. 5:
16, connector,
17, anti-pulley,
18, drill with ferrule cock.
Specific embodiment
Embodiment 1
In order that those skilled in the art will better understand the technical solution of the present invention, and make above-mentioned purpose of the invention, spy
Advantage of seeking peace can be more obvious and easy to understand, is described in further detail with reference to the accompanying drawing to the present invention and embodiments thereof.
As shown in Figure 1, a kind of simple type petroleum subterranean well and casing bit include casing, drill string 4, drilling pump 6, water pipe
System 7, radiant section bolt 8, annular space 9, vacuum oil drill collar 10, drill bit 11, drilling well tree 12, well liquid rifle 13, drilling tool.
Four radiant section bolts 8 are installed in 9 upper end of annular space, for fixing drill string 4；The vacuum oil drill collar 10
In part on drill string 4；10 upper end of vacuum oil drill collar is equipped with starting lifting system, drilling well drive system, drilling well lower part；
The structural schematic diagram for a kind of simple type petroleum subterranean well and casing bit the middle sleeve connection that the present invention invents, such as Fig. 2
Shown, the casing includes production string 1, protective casing 2, surface pipe 3, conduit 5.
It is further used as preferred embodiment, the production string 1 is made of the casting of cement, seamless steel pipe, water
Mudding is solid, and positioned at the lowest level of casing, shakeproof layer is arranged in production string 1；Production string 1 generally requires one layer of steel pipe of tripping in and wants
Carry out the operation that cement is injected in the annular space of casing and the borehole wall.
It is further used as preferred embodiment, the production string 1 is the oil of underground, gas and water layer and different pressures
Power oil, air bound are opened, and the channel that oily, gas flow to ground from generating layer is provided, and guarantee the production steady in a long-term of oil, gas well, and are met
The needs of oil and gas development and from now on well stimulation.
It is further used as preferred embodiment, 2 cement sealing of protective casing, lower protective casing 2 is to seal brill
Drilling fluid is difficult to control bad ground during well, and some wells sometimes need lower multilayer technique casing, particular in that encountering
When the stratum of different pressures, it is necessary to which tripping in, protective casing 2 separates the stratum of different pressures, to ensure that the safety work of drilling well is applied
Work.
Be further used as preferred embodiment, the surface conductor pipe 3, for be isolated the drift sand of top shallow-layer, stone,
Gas and water layer, cement sealing, surface conductor pipe 3, positioned at the lower part of conduit 5, the depth of tripping in is 200 meters.
It is further used as preferred embodiment, the conduit 5 is made of the casting of cement, seamless steel pipe, cement envelope
Gu will tripping in underground when a well is spudded in；The conduit 5 is located at the top layer of casing, conduit 5 be by drilling fluid from
Earth's surface is guided on the drilling rig on top, to maintain the recycling of drilling fluid in drilling engineering.
In detail, each layer casing of tripping in will generally use cement sealing in drilling process, wherein the water filling of production string
Shale amount is especially important, has to the consolidation quality for determining casing and two interfaces of cement.Casing will carry out oil after perforation, in shape
At oil pressure difference under the action of voluntarily flow in casing.
Also, a kind of simple type petroleum subterranean well and casing bit that the present invention uses include casing, drill string, drilling pump,
Water pipe system, radiant section bolt, annular space, vacuum oil drill collar, drill bit, drilling well tree, well liquid rifle, drilling tool；The annular space upper end
Four radiant section bolts are installed, for fixing drill string；The vacuum oil drill collar is located on the drill string part；The vacuum oil bores
Quickly upper end is equipped with starting lifting system, drilling well drive system, drilling well lower part；The casing includes production string, technology set
Pipe, surface pipe, conduit；The production string is made of the casting of cement, seamless steel pipe, cement sealing, positioned at casing
Shakeproof layer is arranged in lowest level, production string；Production string generally requires one layer of steel pipe of tripping in and to carry out in casing and the borehole wall
The operation of cement is injected in annular space；The production string is oil, gas and water layer and different pressures oil, the air bound underground
Open, provide oil, gas flow to the channel on ground from generating layer, guarantee the production steady in a long-term of oil, gas well, and meet oil and gas development and
The needs of well stimulation from now on；The protective casing cement sealing, lower protective casing are to seal drilling fluid hardly possible in drilling process
In control bad ground, some wells sometimes need lower multilayer technique casing, particular in that when encountering the stratum of different pressures,
Necessary tripping in, protective casing separate the stratum of different pressures, to ensure the safety work construction of drilling well；The surface conductor pipe,
For being isolated drift sand, stone, gas and the water layer of top shallow-layer, cement sealing, surface conductor pipe, positioned at the lower part of conduit, tripping in
Depth is 200 meters；The conduit is made of the casting of cement, seamless steel pipe, and cement sealing will when a well is spudded in
Tripping in underground；The conduit is located at the top layer of casing, and conduit is the drilling rig that drilling fluid is guided to top from earth's surface
Come up, to maintain the recycling of drilling fluid in drilling engineering, and is a distinguishing feature of the invention.
Also, the casing that the present invention uses includes production string, protective casing, surface pipe, conduit；The production string
It is made of the casting of cement, seamless steel pipe, cement sealing, positioned at the lowest level of casing, shakeproof layer is arranged in production string；Oil reservoir set
Pipe generally requires one layer of steel pipe of tripping in and to carry out the operation for injecting cement in the annular space of casing and the borehole wall；The oil
Layer casing is that oil, gas and water layer and different pressures oil, the air bound of underground are opened, and provides oil, gas from generating layer and flow to the logical of ground
Road, guarantees the production steady in a long-term of oil, gas well, and meets the needs of oil and gas development and well stimulation from now on；The technology set
Pipe cement sealing, lower protective casing are to seal drilling fluid in drilling process to be difficult to control bad ground, and some wells sometimes need
Lower multilayer technique casing, particular in that when encountering the stratum of different pressures, it is necessary to which tripping in, protective casing separate different pressures
Stratum, to ensure the safety work construction of drilling well；The surface conductor pipe, for be isolated the drift sand of top shallow-layer, stone, gas and
Water layer, cement sealing, surface conductor pipe 3, positioned at the lower part of conduit, the depth of tripping in is 200 meters；The conduit is by cement, nothing
The casting of seam steel pipe is made, and cement sealing will tripping in underground when a well is spudded in；The conduit is located at casing most
Upper layer, conduit 5 are by drilling fluid from the drilling rig that earth's surface guides to top, to maintain the circulation of drilling fluid in drilling engineering
It uses, and is a distinguishing feature of the invention.
The structural representation of water pipe system connection in a kind of simple type petroleum subterranean well and casing bit that the present invention invents
Figure, as shown in figure 3, water pipe system includes water band, tap, water valve.
The water pipe system 7 includes water band, tap 15, water valve 14.
It is further used as preferred embodiment, the upper surface of described drill string 4 is equipped with tap 15.
Be further used as preferred embodiment, by water band connection between tap 15 and drilling pump 6, water band just
A water valve 14 is arranged in middle position.
It is further used as preferred embodiment, the side of the drill string 4 installs a well liquid rifle 13, works as tap
15, the middle position of water band is arranged a water valve 14 and opens simultaneously, and drilling pump 6 works, and drilling fluid flows to oil well by water band
Liquid rifle 13, finally circulation flows to drilling well.
Drilling fluid distribution map in a kind of simple type petroleum subterranean well and casing bit that the present invention invents, as shown in figure 4,
Borehole wall forms oil liquid, drilling fluid, and drilling fluid is flowing.
Also, the water pipe system that the present invention uses includes water band, tap, water valve；The upper surface of described drill string is equipped with water
Faucet；By water band connection between tap and drilling pump, one water valve is set in the middle position of water band；The drill string
Side install a well liquid rifle, when tap, water band middle position be arranged a water valve open simultaneously, drilling pump work
Make, drilling fluid flows to well liquid rifle by water band, and finally circulation flows to drilling well, and is a distinguishing feature of the invention.
It is further used as preferred embodiment, the drilling rod 4 is the drilling rod of square, and the length of drilling rod 4 is ten meters,
Drill bit 11 is installed in 4 lower part of drilling rod.
It is further used as preferred embodiment, the top of the drilling rod 4 has anti-pulley 17, the centre of anti-pulley 17
One square inner hole is set, and the stud of six 20 centimetres of diameter of setting, square inner hole can just pacify on square inner hole
On drilling rod 17, disk is bored in the position installation that square inner hole can just be mounted on drilling rod 17, allows brill disk that drilling rod 4 is driven to revolve
Transhipment power becomes the rotation that drilling rod 4 drives drill bit 11, carries out the drillng operation of drill bit.
Also, the drilling rod that the present invention uses is the drilling rod of square, the length of drilling rod is ten meters, installs and bore in drilling rod lower part
Head；The top of the drilling rod has anti-pulley, and the intermediate of anti-pulley is arranged a square inner hole, is arranged on square inner hole
Six 20 centimetres of diameter of stud, square inner hole can be just mounted on drilling rod, can be just mounted in square inner hole
Drilling rod position installation bore disk, allow bore disk drive drilling rod rotate power become drilling rod drive drill bit rotation, carry out drill bit
Drillng operation, and be a distinguishing feature of the invention.
It is further used as preferred embodiment, the effect of the drilling pump 6 is the necessary energy of circulation of drilling fluid,
Drilling fluid is input into drilling tool with certain pressure and flow, completes entire cyclic process.
Also, the effect for the drilling pump that the present invention uses is the necessary energy of circulation of drilling fluid, with certain pressure and stream
Drilling fluid is input into drilling tool by amount, completes entire cyclic process, and is a distinguishing feature of the invention.
Drilling tool structure schematic diagram in a kind of simple type petroleum subterranean well and casing bit that the present invention invents, such as Fig. 5 institute
Show, drilling tool includes connector, anti-pulley, drill with ferrule cock.
It is further used as preferred embodiment, the drilling tool includes connector 16, anti-pulley 17, drill with ferrule cock 18.
It is further used as preferred embodiment, is connected between the drill bit 11 and drill with ferrule cock 18 by connector 16.
Be further used as preferred embodiment, the drill bit 11 is interior hexagonal rotary drilling-head, drill bit 11 it is straight
Diameter is 0. 5 meters, for drilling the pool of seawater；Two damping plugs built in drill with ferrule cock 18；Anti-pulley 17, drill with ferrule cock
18 install anti-pulley 17, drilling tool movement above.
Also, the drilling tool that the present invention uses includes connector, anti-pulley, drill with ferrule cock；Between the drill bit and drill with ferrule cock
It is connected by connector；The drill bit is interior hexagonal rotary drilling-head, and the diameter of drill bit is 0. 5 meters, for drilling seawater
Pool；Two damping plugs built in drill with ferrule cock；Anti-pulley installs anti-pulley, drilling tool movement above drill with ferrule cock, and is this
Invent a distinguishing feature.
The process of the drilling well of seawater is completed in a kind of simple type petroleum subterranean well and casing bit:
Firstly, casing reinforcement:
Secondly, starting lifting system, drilling well drive system；
Again, drilling tool moves；
Again, circulation of drilling fluid uses；
Complete, complete the drilling well of seawater.
In above structure, the process of the drilling well of seawater is completed in a kind of simple type petroleum subterranean well and casing bit, such as
It is lower described:
Step1, casing reinforcement, casing are that oil, gas and water layer and different pressures oil, the air bound of underground are opened, and provide oily, gas from production
Generating layer flow to the channel on ground, guarantees the production steady in a long-term of oil, gas well, and meets the need of oil and gas development and well stimulation from now on
It wants.
In detail, each layer casing of tripping in will generally use cement sealing in drilling process, wherein the water filling of production string
Shale amount is especially important, has to the consolidation quality for determining casing and two interfaces of cement.Casing will carry out oil after perforation, in shape
At oil pressure difference under the action of voluntarily flow in casing.
Step2, starting lifting system, drilling well drive system, vacuum oil drill collar upper end are equipped with starting lifting system, drilling well
Drive system, drilling well lower part, the starting of vacuum oil drill collar.
Step3, drilling tool movement, are connected between drill bit and drill with ferrule cock by connector；The drill bit is interior hexagonal
Rotary drilling-head, the diameter of drill bit is 0. 5 meters, for drilling the pool of seawater；Two damping plugs built in drill with ferrule cock；It is anti-
Pulley installs anti-pulley, drilling tool movement above drill with ferrule cock.
Step4, circulation of drilling fluid use, by water band connection between tap and drilling pump, in the center meta position of water band
Install a water valve；A well liquid rifle is installed on the side of the drill string, when the middle position of tap, water band is arranged
One water valve opens simultaneously, and drilling well pump work, drilling fluid flows to well liquid rifle by water band, and finally circulation flows to drilling well.
Step5, the drilling well for completing seawater.
Outstanding feature of the present invention:
1) a kind of simple type petroleum subterranean well and casing bit that, the present invention uses include casing, drill string, drilling pump, water pipe
System, radiant section bolt, annular space, vacuum oil drill collar, drill bit, drilling well tree, well liquid rifle, drilling tool；The annular space upper end installation
Four radiant section bolts, for fixing drill string；The vacuum oil drill collar is located on the drill string part；On the vacuum oil drill collar
End is equipped with starting lifting system, drilling well drive system, drilling well lower part；The casing includes production string, protective casing, table
Layer casing, conduit；The production string is made of the casting of cement, seamless steel pipe, cement sealing, positioned at the most lower of casing
Shakeproof layer is arranged in layer, production string；Production string generally requires one layer of steel pipe of tripping in and to carry out the annular in casing and the borehole wall
The operation of cement is injected in space；The production string is that oil, gas and water layer and different pressures oil, the air bound of underground are opened, and is mentioned
Fuel feeding, gas flow to the channel on ground from generating layer, guarantee the production steady in a long-term of oil, gas well, and meet oil and gas development and from now on
The needs of well stimulation；The protective casing cement sealing, lower protective casing are to seal drilling fluid in drilling process to be difficult to control
Bad ground processed, some wells sometimes need lower multilayer technique casing, particular in that when encountering the stratum of different pressures, it is necessary to
Tripping in, protective casing separate the stratum of different pressures, to ensure the safety work construction of drilling well；The surface conductor pipe, is used for
Drift sand, stone, gas and the water layer of top shallow-layer, cement sealing, surface conductor pipe, positioned at the lower part of conduit, the depth of tripping in is isolated
It is 200 meters；The conduit is made of the casting of cement, seamless steel pipe, cement sealing, will tripping in when a well is spudded in
Underground；The conduit is located at the top layer of casing, conduit be by drilling fluid from the drilling rig that earth's surface guides to top,
To maintain the recycling of drilling fluid in drilling engineering, structure is simple, easy to use, practical.
2), the casing that the present invention uses includes production string, protective casing, surface pipe, conduit；The production string
It is made of the casting of cement, seamless steel pipe, cement sealing, positioned at the lowest level of casing, shakeproof layer is arranged in production string；Oil reservoir set
Pipe generally requires one layer of steel pipe of tripping in and to carry out the operation for injecting cement in the annular space of casing and the borehole wall；The oil
Layer casing is that oil, gas and water layer and different pressures oil, the air bound of underground are opened, and provides oil, gas from generating layer and flow to the logical of ground
Road, guarantees the production steady in a long-term of oil, gas well, and meets the needs of oil and gas development and well stimulation from now on；The technology set
Pipe cement sealing, lower protective casing are to seal drilling fluid in drilling process to be difficult to control bad ground, and some wells sometimes need
Lower multilayer technique casing, particular in that when encountering the stratum of different pressures, it is necessary to which tripping in, protective casing separate different pressures
Stratum, to ensure the safety work construction of drilling well；The surface conductor pipe, for be isolated the drift sand of top shallow-layer, stone, gas and
Water layer, cement sealing, surface conductor pipe, positioned at the lower part of conduit, the depth of tripping in is 200 meters；The conduit is by cement, nothing
The casting of seam steel pipe is made, and cement sealing will tripping in underground when a well is spudded in；The conduit is located at casing most
Upper layer, conduit are by drilling fluid from the drilling rig that earth's surface guides to top, to maintain the circulation of drilling fluid in drilling engineering
It uses.
3), for the drilling rod that the present invention uses for the drilling rod of square, the length of drilling rod is ten meters, installs and bores in drilling rod lower part
Head；The top of the drilling rod has anti-pulley, and the intermediate of anti-pulley is arranged a square inner hole, is arranged on square inner hole
Six 20 centimetres of diameter of stud, square inner hole can be just mounted on drilling rod, can be just mounted in square inner hole
Drilling rod position installation bore disk, allow bore disk drive drilling rod rotate power become drilling rod drive drill bit rotation, carry out drill bit
Drillng operation.
4), the effect for the drilling pump that the present invention uses is the necessary energy of circulation of drilling fluid, with certain pressure and stream
Drilling fluid is input into drilling tool by amount, completes entire cyclic process.
5), the drilling tool that the present invention uses includes connector, anti-pulley, drill with ferrule cock；Between the drill bit and drill with ferrule cock
It is connected by connector；The drill bit is interior hexagonal rotary drilling-head, and the diameter of drill bit is 0. 5 meters, for drilling seawater
Pool；Two damping plugs built in drill with ferrule cock；Anti-pulley installs anti-pulley, drilling tool movement above drill with ferrule cock.
6), the water pipe system that the present invention uses includes water band, tap, water valve；The upper surface of described drill string is equipped with water
Faucet；By water band connection between tap and drilling pump, one water valve is set in the middle position of water band；The drill string
Side install a well liquid rifle, when tap, water band middle position be arranged a water valve open simultaneously, drilling pump work
Make, drilling fluid flows to well liquid rifle by water band, and finally circulation flows to drilling well.
7) process of the drilling well of seawater, is completed in a kind of simple type petroleum subterranean well and casing bit, as described below:
Step1, casing reinforcement, casing are that oil, gas and water layer and different pressures oil, the air bound of underground are opened, and provide oily, gas from generating layer
It is flow to the channel on ground, guarantees the production steady in a long-term of oil, gas well, and meets the needs of oil and gas development and well stimulation from now on.
In detail, each layer casing of tripping in will generally use cement sealing in drilling process, wherein the water filling of production string
Shale amount is especially important, has to the consolidation quality for determining casing and two interfaces of cement.Casing will carry out oil after perforation, in shape
At oil pressure difference under the action of voluntarily flow in casing.
Step2, starting lifting system, drilling well drive system, vacuum oil drill collar upper end are equipped with starting lifting system, drilling well
Drive system, drilling well lower part, the starting of vacuum oil drill collar.
Step3, drilling tool movement, are connected between drill bit and drill with ferrule cock by connector；The drill bit is interior hexagonal
Rotary drilling-head, the diameter of drill bit is 0. 5 meters, for drilling the pool of seawater；Two damping plugs built in drill with ferrule cock；It is anti-
Pulley installs anti-pulley, drilling tool movement above drill with ferrule cock.
Step4, circulation of drilling fluid use, by water band connection between tap and drilling pump, in the center meta position of water band
Install a water valve；A well liquid rifle is installed on the side of the drill string, when the middle position of tap, water band is arranged
One water valve opens simultaneously, and drilling well pump work, drilling fluid flows to well liquid rifle by water band, and finally circulation flows to drilling well.
Step5, the drilling well for completing seawater.
8), the present invention realizes that circulation of drilling fluid uses in the brill oil and casing of ocean floor drilling, and structure is simple, user
Just, practical, good economic benefit and social benefit can be generated.
In addition to the implementation, the present invention can also have other embodiments.All equivalent substitution or equivalent transformation deformations
Technical solution, in the claimed scope of the invention.Of the invention is that many features of embodiment and advantage are retouched in detail according to this
It is clear for stating, therefore it is that falling into for embodiment is all in its true spirit and range that appended claims, which are intended to cover these,
These feature and advantage.Further, since those skilled in the art is readily apparent that many modifications and changes, therefore it is not meant to this
Invention is that embodiment is limited to illustrated and description precision architecture and operation, but can cover and fall into owning within the scope of its
Suitable modifications and equivalent.
Unspecified part of the present invention is technology well known to the engineers and technicians of this field.
Claims (5)
1. a kind of simple type petroleum subterranean well and casing bit include casing, drill string (4), drilling pump (6), water pipe system (7),
Radiant section bolt (8), annular space (9), vacuum oil drill collar (10), drill bit (11), drilling well tree (12), well liquid rifle (13), drilling tool,
It is characterized in that:
Four radiant section bolts (8) are installed in annular space (9) upper end, for fixing drill string (4)；The vacuum oil drill collar
(10) it is located at part on drill string (4)；Described vacuum oil drill collar (10) upper end is equipped with starting lifting system, drilling well driving system
System, drilling well lower part；
The casing includes production string (1), protective casing (2), surface pipe (3), conduit (5)；
The production string (1) is made of the casting of cement, seamless steel pipe, cement sealing, positioned at the lowest level of casing, oil reservoir
Shakeproof layer is arranged in casing (1)；Production string (1) generally requires one layer of steel pipe of tripping in and to carry out empty in the annular of casing and the borehole wall
Between it is middle injection cement operation；
The production string (1) is that oil, gas and water layer and different pressures oil, the air bound of underground are opened, and provides oily, gas from generation
Laminar flow guarantees the production steady in a long-term of oil, gas well to the channel on ground, and meets the need of oil and gas development and well stimulation from now on
It wants；
Described protective casing (2) cement sealing, lower protective casing (2) are to seal drilling fluid in drilling process to be difficult to control complexity
Stratum, some wells sometimes need lower multilayer technique casing, particular in that when encountering the stratum of different pressures, it is necessary to tripping in,
Protective casing (2) separates the stratum of different pressures, to ensure the safety work construction of drilling well；
The surface conductor pipe (3), for drift sand, stone, gas and the water layer of top shallow-layer, cement sealing, surface conductor pipe to be isolated
(3), it is located at the lower part of conduit (5), the depth of tripping in is 200 meters；
The conduit (5) is made of the casting of cement, seamless steel pipe, cement sealing, will tripping in when a well is spudded in
Under；Conduit (5) is located at the top layer of casing, conduit (5) be by drilling fluid from the drilling rig that earth's surface guides to top, with
Maintain the recycling of drilling fluid in drilling engineering.
2. a kind of simple type petroleum subterranean well as described in claim 1 and casing bit, it is characterised in that:
The drilling rod (4) is the drilling rod of square, and the length of drilling rod (4) is ten meters, installs drill bit in drilling rod (4) lower part
(11)；
The top of the drilling rod (4) has anti-pulley (17), and a square inner hole, four directions is arranged in the intermediate of anti-pulley (17)
Six 20 centimetres of diameter of stud is set on shape inner hole, and square inner hole can be just mounted on drilling rod (17), in square
Disk is bored in the position installation that inner hole can just be mounted on drilling rod (17), allows and bores disk drilling rod (4) power that rotates is driven to become drilling rod
(4) rotation for driving drill bit (11), carries out the drillng operation of drill bit.
3. a kind of simple type petroleum subterranean well as described in claim 1 and casing bit, it is characterised in that:
The effect of the drilling pump (6) is the necessary energy of circulation of drilling fluid, with certain pressure and flow by drilling fluid
It is input into drilling tool, completes entire cyclic process.
4. a kind of simple type petroleum subterranean well as described in claim 1 and casing bit, it is characterised in that:
The drilling tool includes connector (16), anti-pulley (17), drill with ferrule cock (18)；
It is connect between the drill bit (11) and drill with ferrule cock (18) by connector (16)；
The drill bit (11) is interior hexagonal rotary drilling-head, and the diameter of drill bit (11) is 0. 5 meters, for drilling seawater
Pool；Two damping plugs built in drill with ferrule cock (18)；Anti-pulley is installed in anti-pulley (17), drill with ferrule cock (18) above
(17), drilling tool moves.
5. a kind of simple type petroleum subterranean well as described in claim 1 and casing bit, it is characterised in that:
The water pipe system (7) includes water band, tap (15), water valve (14)；
The upper surface of described drill string (4) is equipped with tap (15)；
By water band connection between tap (15) and drilling pump (6), one water valve (14) is set in the middle position of water band；
A well liquid rifle (13) is installed on the side of the drill string (4), when the middle position of tap (15), water band is arranged
One water valve (14) opens simultaneously, and drilling pump (6) work, drilling fluid flows to well liquid rifle (13), last recycle stream by water band
To drilling well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084041.8A CN109138840A (en) | 2018-09-17 | 2018-09-17 | A kind of simple type petroleum subterranean well and casing bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084041.8A CN109138840A (en) | 2018-09-17 | 2018-09-17 | A kind of simple type petroleum subterranean well and casing bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109138840A true CN109138840A (en) | 2019-01-04 |
Family
ID=64814640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811084041.8A Pending CN109138840A (en) | 2018-09-17 | 2018-09-17 | A kind of simple type petroleum subterranean well and casing bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109138840A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012655A (en) * | 2020-09-09 | 2020-12-01 | 中国石油天然气集团有限公司 | Quick control device for power tap cock |
| CN112761634A (en) * | 2020-12-29 | 2021-05-07 | 中国矿业大学 | Automatic coal mining device for deep coal seam |
| CN113323590A (en) * | 2021-07-15 | 2021-08-31 | 中国海洋石油集团有限公司 | Surface layer conduit running device and method suitable for submarine drilling rig |
-
2018
- 2018-09-17 CN CN201811084041.8A patent/CN109138840A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012655A (en) * | 2020-09-09 | 2020-12-01 | 中国石油天然气集团有限公司 | Quick control device for power tap cock |
| CN112761634A (en) * | 2020-12-29 | 2021-05-07 | 中国矿业大学 | Automatic coal mining device for deep coal seam |
| CN112761634B (en) * | 2020-12-29 | 2021-11-19 | 中国矿业大学 | Automatic coal mining device for deep coal seam |
| CN113323590A (en) * | 2021-07-15 | 2021-08-31 | 中国海洋石油集团有限公司 | Surface layer conduit running device and method suitable for submarine drilling rig |
| CN113323590B (en) * | 2021-07-15 | 2022-05-17 | 中国海洋石油集团有限公司 | Surface layer conduit running device and method suitable for submarine drilling rig |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103531076B (en) | A set of drilling condition simulation system and workflow thereof | |
| US8127865B2 (en) | Method of drilling from a shaft for underground recovery of hydrocarbons | |
| US6460936B1 (en) | Borehole mining tool | |
| CN102330545B (en) | Sand prevention method for heavy oil reservoir oil well | |
| CN104533288B (en) | A kind of fish spicule shape multilevel branch horizontal well shale gas reservoir that bores is drilled the method that well is with increasing production | |
| CN108756828A (en) | Hydrate solid state fluidizing recovery method and system under the conditions of underbalance reacting cycle | |
| CN109138840A (en) | A kind of simple type petroleum subterranean well and casing bit | |
| CN105874162B (en) | Casing directional orientation tool and method based on gravity | |
| CN101900223B (en) | Guide, spiral sludge discharge and pipeline jacking paving construction method | |
| CN104695886A (en) | Zero-radius down-hole casing drilling device and drilling method thereof | |
| CN102094580A (en) | Coal engineering hole directional drilling method | |
| RU183760U1 (en) | Swivel rig | |
| CN102230377A (en) | Multifunctional gas lifting strata testing string | |
| CN103615226A (en) | Hydraulic jet drilling and fracturing method | |
| Ratov et al. | Development of an effective technology for the construction of large-diameter water wells | |
| CN106930696A (en) | A kind of positive motive force Counterboring apparatus of ground consisting of hard rock and technique | |
| Bo et al. | Reverse circulation DTH hammer drilling technique | |
| RU156918U1 (en) | DRILLING RIG | |
| Delahunty et al. | Deep core drilling of three slim geothermal holes, Snake River Plains, Idaho | |
| CN205503007U (en) | Drilling system based on double -walled drilling rod | |
| CN210622733U (en) | Composite drill rod capable of deeply drilling | |
| Gerali | An historical overview over the development of the drilling fluids technology in the 19th century | |
| RU185077U1 (en) | Swivel rig | |
| CN206205778U (en) | A kind of underground is slidingly sealed instrument and its unlimited extended reach drilling device | |
| CN105443038B (en) | Waterpower distance type vector nozzle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190104 |
|
| WD01 | Invention patent application deemed withdrawn after publication |