CN104929611B - A kind of surface instruction down transmission method and system - Google Patents
A kind of surface instruction down transmission method and system Download PDFInfo
- Publication number
- CN104929611B CN104929611B CN201510188838.2A CN201510188838A CN104929611B CN 104929611 B CN104929611 B CN 104929611B CN 201510188838 A CN201510188838 A CN 201510188838A CN 104929611 B CN104929611 B CN 104929611B
- Authority
- CN
- China
- Prior art keywords
- time
- comparisons
- command table
- teletype command
- different
- 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.)
- Active
Links
Abstract
The invention discloses a kind of surface instruction down transmission method and system, including：Coding according to corresponding to pre-set first time teletype command table of comparisons determines the instruction that ground will pass down, and the time interval cycle that ground well drilling top drive descends the drilling tool of rotary steerable tool to be raised and decentralized over the ground is determined according to the coding.Control ground drilling top to drive according to the time interval cycle to raise and decentralize drilling tool.Detection drilling tool periodically raises and decentralizes caused axial acceleration.The corresponding coding of axial acceleration is determined according to pre-set second time teletype command table of comparisons, the instruction that ground will pass down is determined according to the coding and first time teletype command table of comparisons.By the solution of the present invention, it can need not close down slush pump and execute-in-place equipment, personnel need not increased and in the case of man-hour, realize and surface instruction is passed into rotary steerable tool.
Description
Technical field
The present invention relates to petroleum drilling technology, more particularly to a kind of surface instruction down transmission method and system.
Background technology
In petroleum drilling operation, rotary steering drilling tool is had been widely used in petroleum exploration and development operation.It is existing
Some, which is used for the method that surface instruction passes down, mainly two kinds：(1) it is rotary steering drilling tool is stopped drilling, Ran Houtong
"Off" and "ON" slush pump are crossed to form the mud-pulse of " 0 " and " 1 ", then by mutually being tied with the time of "ON" and "Off" slush pump
Conjunction is encoded, and forms specific coding to carry out the biography down of surface instruction；(2) by carrying out certain flow to standpipe mud
With the shunting of certain time so that down-hole turbogenerator secondary speed generating period changes, so as to fulfill surface instruction
Coding, then detected by turbogenerator control circuit and solve this coding, and rotary steerable tool control circuit is passed to, from
And realize the function of control rotary steerable tool.
The first instruction down transmission method major defect be：Have to allow rotary steering drilling tool to stop drilling, ability
The biography down instructed, drillng operation time lengthening can be caused by so doing, and efficiency reduces, operating cost increase.And work as mud
After pumping termination of pumping, landwaste caused by rotary steering drilling tool drilling can gradually be deposited due to termination of pumping, be attached to tool surfaces,
It may cause the down-hole accidents such as bit freezing when drilling.
Second of instruction down transmission method needs to increase standpipe mud part flow arrangement in well site, and with high-pressure hose and standpipe and
Mud pit connects, and mud is separated from standpipe, is returned by standpipe mud part flow arrangement in mud pit.Again will be vertical with cable
Pipe mud part flow arrangement is connected with control room, realizes remote control of the field engineer to standpipe mud part flow arrangement.Therefore,
Two kinds instruction down transmission methods major defects be：Equipment and expense are added, also increases the workload of field engineer；And
On well is completed after operation, it is also necessary to which instrument repaiies engineer and carries out maintaining to equipment, also increases cost and workload.
The content of the invention
To solve the above-mentioned problems, the present invention proposes a kind of surface instruction down transmission method and system, can be not required
Close down slush pump and execute-in-place equipment, personnel need not be increased and in the case of man-hour, realize and surface instruction is passed into rotation
Turn steering tool.
In order to achieve the above object, the present invention proposes a kind of surface instruction down transmission method, and this method includes：
Coding according to corresponding to pre-set first time teletype command table of comparisons determines the instruction that ground will pass down, and root
The time interval cycle that ground well drilling top drive descends the drilling tool of rotary steerable tool to be raised and decentralized over the ground is determined according to the coding.
Control ground drilling top to drive according to the time interval cycle to raise and decentralize drilling tool.
Detection drilling tool periodically raises and decentralizes caused axial acceleration.
The corresponding coding of axial acceleration is determined according to pre-set second time teletype command table of comparisons, according to the coding and
First time teletype command table of comparisons determines the instruction that ground will pass down.
Preferably, this is encoded to binary code；First time the teletype command table of comparisons includes：Instruction that ground will pass down with two into
The correspondence of code processed, and binary code and the correspondence in the time interval cycle raised and decentralized.Wherein, pass under first
Instruct every instruction in the table of comparisons different, the corresponding different binary code of different instructions, different binary codes pair
Answer the different time interval cycles.Alternatively,
It is to raise and decentralize that this, which is encoded to as the positive integer times of predetermined basal latency t, the positive integer times of basal latency t,
The time interval cycle, first time the teletype command table of comparisons includes：Just whole different from basal latency t's of the instruction that ground will pass down
The correspondence of several times；Wherein, every instruction in first time teletype command table of comparisons is different, and different instructions corresponds to basis
The different positive integer times of time t.
Preferably, when this is encoded to binary code, binary code is corresponding with time interval cycle for raising and decentralizing
Relation refers to：
Each binary code in first time teletype command table of comparisons corresponds to a kind of setting in time interval cycle, wherein, when
Between gap periods setting include lifting time gap periods set numerical value and transfer the time interval cycle setting numerical value.
Preferably,
When this is encoded to binary code, second time the teletype command table of comparisons includes：It is every in first time teletype command table of comparisons
The correspondence of the axial acceleration of a binary code and drilling tool.Wherein, each two in second time teletype command table of comparisons
Ary codes are different, and different binary codes corresponds to different axial accelerations.
Before second time teletype command table of comparisons is pre-set, for each binary system in first time teletype command table of comparisons
Code carries out following processing：First determine that binary code is corresponding according to first time teletype command table of comparisons and raise and decentralize time interval week
Phase, raise and decentralize the axial acceleration of time interval computation of Period drilling tool according to this, and by the axial acceleration calculated with
Binary code corresponds, its correspondence is stored in second time teletype command table of comparisons.
When this is encoded to the positive integer times of predetermined basal latency t, second time the teletype command table of comparisons includes：Passed under first
Instruct the different positive integer times of the basal latency t in the table of comparisons corresponding with the transformation period length of the axial acceleration of drilling tool
Relation；Wherein, the positive integer times of each basal latency t in second time teletype command table of comparisons are different, during different bases
Between the positive integer times of t correspond to the transformation period length of different axial accelerations.
Before second time teletype command table of comparisons is pre-set, in first time teletype command table of comparisons it is each basis when
Between the positive integer times of t carry out following processing：The change of the axial acceleration of drilling tool is calculated according to the positive integer times of each basal latency t
Change time span, and by the transformation period length of the axial acceleration calculated and the positive integer times of each basal latency t one by one
It is corresponding, its correspondence is stored in second time teletype command table of comparisons.
Preferably, detect the drilling tool periodically raise and decentralize caused by axial acceleration include：To the axis of collection
It is filtered, amplifies and analog-to-digital conversion to acceleration signal, obtains axial acceleration.
Of the invention also to propose to pass system under a kind of surface instruction, which includes：
Coding module, for determining that the instruction institute that ground will pass down is right according to pre-set first time teletype command table of comparisons
The coding answered, and determine that ground well drilling top drive descends what the drilling tool of rotary steerable tool was raised and decentralized over the ground according to the coding
The time interval cycle.
Control module, raises and decentralizes drilling tool for controlling ground drilling top to drive according to the time interval cycle.
Detection module, periodically caused axial acceleration is raised and decentralized for detecting drilling tool.
Decoder module, for determining the corresponding volume of axial acceleration according to pre-set second time teletype command table of comparisons
Code, the instruction that ground will pass down is determined according to the coding and first time teletype command table of comparisons.
Preferably,
This is encoded to binary code；First time the teletype command table of comparisons includes：Instruction that ground will pass down and binary code
Correspondence, and binary code and the correspondence in the time interval cycle raised and decentralized.Wherein, first time teletype command pair
Different according to every instruction in table, the corresponding different binary code of different instructions, different binary codes corresponds to different
The time interval cycle.Alternatively,
This is encoded to raises and decentralizes for the positive integer times of predetermined basal latency t, the positive integer times of basal latency t
In the time interval cycle, first time the teletype command table of comparisons includes：Instruction that ground will the pass down positive integer different from basal latency t's
Correspondence again；Wherein, every instruction in first time teletype command table of comparisons is different, when different instructions corresponds to basis
Between t different positive integer times.
Preferably, when this is encoded to binary code, binary code is corresponding with time interval cycle for raising and decentralizing
Relation refers to：
Each binary code in first time teletype command table of comparisons corresponds to a kind of setting in time interval cycle, wherein, when
Between gap periods setting include lifting time gap periods set numerical value and transfer the time interval cycle setting numerical value.
Preferably,
When this is encoded to binary code, second time the teletype command table of comparisons includes：It is every in first time teletype command table of comparisons
The correspondence of the axial acceleration of a binary code and drilling tool.Wherein, each binary system in second time teletype command table of comparisons
Code is different, and different binary codes corresponds to different axial accelerations.
Before second time teletype command table of comparisons is pre-set, for each binary system in first time teletype command table of comparisons
Code carries out following processing：First determine that binary code is corresponding according to first time teletype command table of comparisons and raise and decentralize time interval week
Phase, raise and decentralize the axial acceleration of time interval computation of Period drilling tool according to this, and by the axial acceleration calculated with
Binary code corresponds, its correspondence is stored in second time teletype command table of comparisons.
When this is encoded to the positive integer times of predetermined basal latency t, second time the teletype command table of comparisons includes：Passed under first
Instruct the different positive integer times of the basal latency t in the table of comparisons corresponding with the transformation period length of the axial acceleration of drilling tool
Relation；Wherein, the positive integer times of each basal latency t in second time teletype command table of comparisons are different, during different bases
Between the positive integer times of t correspond to the transformation period length of different axial accelerations.
Before second time teletype command table of comparisons is pre-set, in first time teletype command table of comparisons it is each basis when
Between the positive integer times of t carry out following processing：The change of the axial acceleration of drilling tool is calculated according to the positive integer times of each basal latency t
Change time span, and by the transformation period length of the axial acceleration calculated and the positive integer times of each basal latency t one by one
It is corresponding, its correspondence is stored in second time teletype command table of comparisons.
Preferably, detection module detection drilling tool periodically raises and decentralizes caused axial acceleration and includes：To collection
Axial acceleration signal be filtered, amplify and analog-to-digital conversion, obtain axial acceleration.
Compared with prior art, the present invention includes：Determine that ground will according to pre-set first time teletype command table of comparisons
The coding corresponding to instruction passed down, and according to the coding determine ground well drilling top drive descend over the ground the drilling tool of rotary steerable tool into
The time interval cycle that row raises and decentralizes.According to the time interval cycle control ground drilling top drive drilling tool is above carried and
Decentralization.Detection drilling tool periodically raises and decentralizes caused axial acceleration.According to pre-set second time teletype command pair
The corresponding coding of axial acceleration is determined according to table, and the finger that ground will pass down is determined according to the coding and first time teletype command table of comparisons
Order.By the solution of the present invention, it can need not close down slush pump and execute-in-place equipment, personnel and man-hour need not be increased
In the case of, realize and surface instruction is passed into rotary steerable tool.
Brief description of the drawings
The attached drawing in the embodiment of the present invention is illustrated below, the attached drawing in embodiment be for the present invention into one
Step understands, is used to explain the present invention together with specification, does not form limiting the scope of the invention.
Fig. 1 is the surface instruction down transmission method flow chart of the present invention；
Fig. 2 is to pass system block diagram under the surface instruction of the present invention.
Embodiment
For the ease of the understanding of those skilled in the art, the invention will be further described below in conjunction with the accompanying drawings, not
It can be used for limiting the scope of the invention.
The present invention raises and decentralizes drilling tool in certain time, becomes the periodicity that instrument axial direction produces acceleration
Change, realize the coding of surface instruction.Downhole instrument realizes decoding by measuring the cyclically-varying of axial direction acceleration, from
And realize the biography function down of surface instruction.The invention reside in need not close down slush pump and need not increase execute-in-place equipment,
Personnel and in the case of man-hour, realize surface instruction passing to rotary steerable tool, so as to fulfill to rotary steerable tool
Control.
Specifically, the present invention proposes a kind of surface instruction down transmission method, as shown in Figure 1, this method includes：
S101, determine according to pre-set first time teletype command table of comparisons volume corresponding to instruction that ground will pass down
Code, and determine that ground well drilling top drive descended between the time that the drilling tool of rotary steerable tool is raised and decentralized over the ground according to the coding
Phase every other week.
Preferably, this is encoded to binary code；First time the teletype command table of comparisons includes：Instruction that ground will pass down with two into
The correspondence of code processed, and binary code and the correspondence in the time interval cycle raised and decentralized.Wherein, pass under first
Instruct every instruction in the table of comparisons different, the corresponding different binary code of different instructions, different binary codes pair
Answer the different time interval cycles.Alternatively,
It is to raise and decentralize that this, which is encoded to as the positive integer times of predetermined basal latency t, the positive integer times of basal latency t,
The time interval cycle, first time the teletype command table of comparisons includes：Just whole different from basal latency t's of the instruction that ground will pass down
The correspondence of several times；Wherein, every instruction in first time teletype command table of comparisons is different, and different instructions corresponds to basis
The different positive integer times of time t.
Preferably, when this is encoded to binary code, binary code is corresponding with time interval cycle for raising and decentralizing
Relation refers to：
Each binary code in first time teletype command table of comparisons corresponds to a kind of setting in time interval cycle, wherein, when
Between gap periods setting include lifting time gap periods set numerical value and transfer the time interval cycle setting numerical value.
In an embodiment of the present invention, each binary code corresponds to a kind of setting in time interval cycle, such as " 0011 "
The time interval cycle carried in correspondence is 30 seconds, and the time interval cycle of decentralization is 20 seconds.
It should be noted that instructed in the present invention program in order to be conducive to machine recognition and realize automation mechanized operation
Coding is added in the table of comparisons, i.e. (can also first select different instructions is corresponding with binary code here other feasible
Coding form, is such as encoded using " 0 " and " 1 "), then by binary code and the time interval cycle phase pair that raises and decentralizes
Should, and it is following, first that axial acceleration is corresponding with binary code then binary code is opposite with subsurface teletype command
Should.In other embodiments, subsurface teletype command can be directly corresponding with the time interval cycle raised and decentralized, such as this hair
This in bright be encoded to for the positive integer times of predetermined basal latency t when scheme；Axial acceleration can also directly and subsurface
Teletype command is corresponding.
S102, control ground drilling top to drive to raise and decentralize drilling tool according to the time interval cycle.
S103, detection drilling tool periodically raise and decentralize caused axial acceleration.
Preferably, detect the drilling tool periodically raise and decentralize caused by axial acceleration include：To the axis of collection
It is filtered, amplifies and analog-to-digital conversion to acceleration signal, obtains axial acceleration.
In an embodiment of the present invention, by with the coaxial mounted acceleration located underground of the drilling tool of rotary steerable tool
Sensor detection drilling tool periodically raises and decentralizes caused axial acceleration.And by being installed in rotary steerable tool
Acceleration transducer signals Acquisition Circuit gathers axial acceleration signal, and the axial acceleration signal of collection is filtered,
Amplification and analog-to-digital conversion, obtain axial acceleration.
S104, according to pre-set second time teletype command table of comparisons determine the corresponding coding of axial acceleration, according to this
Coding and first time teletype command table of comparisons determine the instruction that ground will pass down.
Preferably, when this is encoded to binary code, second time the teletype command table of comparisons includes：First time teletype command table of comparisons
In each binary code and drilling tool the axial acceleration correspondence.Wherein, in second time teletype command table of comparisons
Each binary code is different, and different binary codes corresponds to different axial accelerations.
Before second time teletype command table of comparisons is pre-set, for each binary system in first time teletype command table of comparisons
Code carries out following processing：First determine that binary code is corresponding according to first time teletype command table of comparisons and raise and decentralize time interval week
Phase, raise and decentralize the axial acceleration of time interval computation of Period drilling tool according to this, and by the axial acceleration calculated with
Binary code corresponds, its correspondence is stored in second time teletype command table of comparisons.
Specifically, the corresponding coding of axial acceleration is determined according to pre-set second time teletype command table of comparisons, according to
The instruction that the coding and first time teletype command table of comparisons determine ground and to pass down refers to：
Axial acceleration is compared with pre-set second time teletype command table of comparisons, according to second time teletype command
The correspondence of the axial acceleration of each binary code and drilling tool in the table of comparisons, obtains the corresponding binary system of axial acceleration
Code, which is compared with first time teletype command table of comparisons, the ground in first time teletype command table of comparisons will under
The instruction of biography and the correspondence of binary code obtain the instruction that ground will pass down.
When this is encoded to the positive integer times of predetermined basal latency t, second time the teletype command table of comparisons includes：Passed under first
Instruct the different positive integer times of the basal latency t in the table of comparisons corresponding with the transformation period length of the axial acceleration of drilling tool
Relation；Wherein, the positive integer times of each basal latency t in second time teletype command table of comparisons are different, during different bases
Between the positive integer times of t correspond to the transformation period length of different axial accelerations.
Before second time teletype command table of comparisons is pre-set, in first time teletype command table of comparisons it is each basis when
Between the positive integer times of t carry out following processing：The change of the axial acceleration of drilling tool is calculated according to the positive integer times of each basal latency t
Change time span, and by the transformation period length of the axial acceleration calculated and the positive integer times of each basal latency t one by one
It is corresponding, its correspondence is stored in second time teletype command table of comparisons.
Specifically, the corresponding coding of axial acceleration is determined according to pre-set second time teletype command table of comparisons, according to
The instruction that the coding and first time teletype command table of comparisons determine ground and to pass down refers to：
The transformation period length of axial acceleration is compared with pre-set second time teletype command table of comparisons, root
According to the basal latency t in second time teletype command table of comparisons different positive integer times and drilling tool axial acceleration transformation period
The correspondence of length, obtains the different positive integer times of the corresponding basal latency t of transformation period length of axial acceleration, will
The positive integer times of each basal latency t are compared with first time teletype command table of comparisons, according in first time teletype command table of comparisons
The correspondence of instruction that ground will the pass down positive integer times different from basal latency t's obtains the instruction that ground will pass down.
It should be noted that obtained in above-described embodiment by way of the transformation period length for detecting axial acceleration
The instruction that ground will pass down, in other embodiments, ground can also be obtained by the way of acceleration amplitude is detected to be passed down
Instruction, which can combine the above-mentioned scheme when being encoded to binary code, such as：" will above carry drilling tool " produce plus
Velocity amplitude corresponds to binary one, and the acceleration amplitude that " decentralization drilling tool " produces corresponds to binary zero, so as to which ground is wanted
The instruction encoding passed down is binary system ordered series of numbers, is driven by ground drilling top and descends the drilling tool of rotary steerable tool " above carry over the ground
The instruction corresponding two that rotary steerable tool transmission of the operation of drilling tool " and " decentralization drilling tool " to underground and ground will pass down into
Ordered series of numbers processed, downhole instrument obtains the binary system ordered series of numbers by the acceleration amplitude measured, and passes through the binary system ordered series of numbers and ground
The table of comparisons for the instruction that face will pass down obtains the instruction that ground will pass down.
The present invention also proposes to pass system 01 under a kind of surface instruction, as shown in Fig. 2, the system includes：
Coding module 02, for determining instruction institute that ground will pass down according to pre-set first time teletype command table of comparisons
Corresponding coding, and determine that ground well drilling top drive descends the drilling tool of rotary steerable tool to be raised and decentralized over the ground according to the coding
The time interval cycle.
Control module 03, for according to the time interval cycle control ground drilling top drive drilling tool is above carried and under
Put.
Detection module 04, periodically caused axial acceleration is raised and decentralized for detecting drilling tool.
Decoder module 05, for determining the corresponding volume of axial acceleration according to pre-set second time teletype command table of comparisons
Code, the instruction that ground will pass down is determined according to the coding and first time teletype command table of comparisons.
Preferably, this is encoded to binary code；First time the teletype command table of comparisons includes：Instruction that ground will pass down with two into
The correspondence of code processed, and binary code and the correspondence in the time interval cycle raised and decentralized.Wherein, pass under first
Instruct every instruction in the table of comparisons different, the corresponding different binary code of different instructions, different binary codes pair
Answer the different time interval cycles.Alternatively,
It is to raise and decentralize that this, which is encoded to as the positive integer times of predetermined basal latency t, the positive integer times of basal latency t,
The time interval cycle, first time the teletype command table of comparisons includes：Just whole different from basal latency t's of the instruction that ground will pass down
The correspondence of several times；Wherein, every instruction in first time teletype command table of comparisons is different, and different instructions corresponds to basis
The different positive integer times of time t.
Preferably, when this is encoded to binary code, binary code is corresponding with time interval cycle for raising and decentralizing
Relation refers to：
Each binary code in first time teletype command table of comparisons corresponds to a kind of setting in time interval cycle, wherein, when
Between gap periods setting include lifting time gap periods set numerical value and transfer the time interval cycle setting numerical value.
Preferably, when this is encoded to binary code, second time the teletype command table of comparisons includes：First time teletype command table of comparisons
In each binary code and drilling tool axial acceleration correspondence.Wherein, it is each in second time teletype command table of comparisons
Binary code is different, and different binary codes corresponds to different axial accelerations.
Before second time teletype command table of comparisons is pre-set, for each binary system in first time teletype command table of comparisons
Code carries out following processing：First determine that binary code is corresponding according to first time teletype command table of comparisons and raise and decentralize time interval week
Phase, raise and decentralize the axial acceleration of time interval computation of Period drilling tool according to this, and by the axial acceleration calculated with
Binary code corresponds, its correspondence is stored in second time teletype command table of comparisons.
When this is encoded to the positive integer times of predetermined basal latency t, second time the teletype command table of comparisons includes：Passed under first
Instruct the different positive integer times of the basal latency t in the table of comparisons corresponding with the transformation period length of the axial acceleration of drilling tool
Relation；Wherein, the positive integer times of each basal latency t in second time teletype command table of comparisons are different, during different bases
Between the positive integer times of t correspond to the transformation period length of different axial accelerations.
Before second time teletype command table of comparisons is pre-set, in first time teletype command table of comparisons it is each basis when
Between the positive integer times of t carry out following processing：The change of the axial acceleration of drilling tool is calculated according to the positive integer times of each basal latency t
Change time span, and by the transformation period length of the axial acceleration calculated and the positive integer times of each basal latency t one by one
It is corresponding, its correspondence is stored in second time teletype command table of comparisons.
Preferably, the detection of detection module 04 drilling tool periodically raises and decentralizes caused axial acceleration and includes：To adopting
The axial acceleration signal of collection is filtered, amplifies and analog-to-digital conversion, obtains axial acceleration.
Compared with existing instruction passes down, the designed instruction down transmission method of the present invention need not close down slush pump, so as to drop
It is low the risk of bit freezing occur, and complicated ground part flow arrangement is not required, field device is reduced, reduces expense and live work
Cheng Shi installs the workload of maintenance facility.
It should be noted that embodiment described above be for only for ease of it will be understood by those skilled in the art that, and
It is not used in and limits the scope of the invention, on the premise of the inventive concept of the present invention is not departed from, those skilled in the art couple
Any obvious replacement and improvement that the present invention is made etc. is within protection scope of the present invention.
Claims (10)
- A kind of 1. surface instruction down transmission method, it is characterised in that the described method includes：Coding according to corresponding to pre-set first time teletype command table of comparisons determines the instruction that ground will pass down, and according to institute State coding and determine the time interval cycle that ground well drilling top drive descends the drilling tool of rotary steerable tool to be raised and decentralized over the ground；Control the ground drilling top to drive according to the time interval cycle to raise and decentralize the drilling tool；Detect the drilling tool and periodically raise and decentralize caused axial acceleration；The corresponding coding of the axial acceleration is determined according to pre-set second time teletype command table of comparisons, according to the coding The instruction that the ground will pass down is determined with first time teletype command table of comparisons.
- 2. surface instruction down transmission method as claimed in claim 1, it is characterised in thatIt is described to be encoded to binary code；First time teletype command table of comparisons includes：Instruction that the ground will pass down with two into The correspondence of code processed, and the binary code and the correspondence in the time interval cycle raised and decentralized；Wherein, Every instruction in first time teletype command table of comparisons is different, the corresponding different binary code of different instructions, different Binary code correspond to the different time interval cycles；Alternatively,The positive integer times for being encoded to predetermined basal latency t, the positive integer times of the basal latency t for it is described above carry and under The time interval cycle put, first time teletype command table of comparisons include：The instruction that the ground will pass down is with basal latency t's The correspondence of different positive integer times；Wherein, every instruction in first time teletype command table of comparisons is different, different The corresponding basal latency t of instruction different positive integer times.
- 3. surface instruction down transmission method as claimed in claim 2, it is characterised in that when it is described be encoded to binary code when, institute State binary code and the correspondence in the time interval cycle raised and decentralized refers to：Each binary code in first time teletype command table of comparisons corresponds to a kind of setting in time interval cycle, wherein, institute Stating the setting in time interval cycle includes the setting for setting numerical value and transferring the time interval cycle of lifting time gap periods Numerical value.
- 4. surface instruction down transmission method as claimed in claim 3, it is characterised in thatWhen it is described be encoded to binary code when, second time teletype command table of comparisons includes：First time teletype command table of comparisons In each binary code and the drilling tool the axial acceleration correspondence；Wherein, second time teletype command pair Different according to each binary code in table, different binary codes corresponds to different axial accelerations；Before second time teletype command table of comparisons is pre-set, for each two in first time teletype command table of comparisons Ary codes carry out following processing：First determine that the binary code is corresponding according to first time teletype command table of comparisons described above to carry With the decentralization time interval cycle, the axial acceleration of time interval computation of Period drilling tool is raised and decentralized according to this, and will be calculated The axial acceleration gone out is corresponded with the binary code, its correspondence is stored in second time teletype command pair According in table；During the positive integer times for being encoded to the predetermined basal latency t when described, second time teletype command table of comparisons includes：Institute State the different positive integer times of the basal latency t in first time teletype command table of comparisons and the axial acceleration of the drilling tool The correspondence of the transformation period length of degree；Wherein, each basal latency t in second time teletype command table of comparisons Positive integer times are different, and the positive integer times of the different basal latency t correspond to the transformation period of different axial accelerations Length；Before second time teletype command table of comparisons is pre-set, for each institute in first time teletype command table of comparisons The positive integer times for stating basal latency t carry out following processing：The drilling tool is calculated according to the positive integer times of each basal latency t Axial acceleration transformation period length, and by the transformation period length of the axial acceleration calculated with it is each described The positive integer times of basal latency t correspond, its correspondence is stored in second time teletype command table of comparisons.
- 5. surface instruction down transmission method as claimed in claim 1, it is characterised in that the detection drilling tool periodically above carries With decentralization caused by axial acceleration include：The axial acceleration signal of collection is filtered, is amplified and analog-to-digital conversion, Obtain axial acceleration.
- 6. pass system under a kind of surface instruction, it is characterised in that the system comprises：Coding module, corresponding to determining the instruction that ground will pass down according to pre-set first time teletype command table of comparisons Coding, and according to the coding determine that ground well drilling top drive descends that the drilling tool of rotary steerable tool raised and decentralized over the ground when Between gap periods；Control module, for according to the time interval cycle control the ground drilling top drive the drilling tool is above carried and Decentralization；Detection module, periodically caused axial acceleration is raised and decentralized for detecting the drilling tool；Decoder module, for determining the corresponding volume of the axial acceleration according to pre-set second time teletype command table of comparisons Code, the instruction that the ground will pass down is determined according to the coding and first time teletype command table of comparisons.
- 7. pass system under surface instruction as claimed in claim 6, it is characterised in thatIt is described to be encoded to binary code；First time teletype command table of comparisons includes：Instruction that the ground will pass down with two into The correspondence of code processed, and the binary code and the correspondence in the time interval cycle raised and decentralized；Wherein, Every instruction in first time teletype command table of comparisons is different, the corresponding different binary code of different instructions, different Binary code correspond to the different time interval cycles；Alternatively,The positive integer times for being encoded to predetermined basal latency t, the positive integer times of the basal latency t for it is described above carry and under The time interval cycle put, first time teletype command table of comparisons include：The instruction that the ground will pass down is with basal latency t's The correspondence of different positive integer times；Wherein, every instruction in first time teletype command table of comparisons is different, different The corresponding basal latency t of instruction different positive integer times.
- 8. pass system under surface instruction as claimed in claim 7, it is characterised in that when it is described be encoded to binary code when, institute State binary code and the correspondence in the time interval cycle raised and decentralized refers to：Each binary code in first time teletype command table of comparisons corresponds to a kind of setting in time interval cycle, wherein, institute Stating the setting in time interval cycle includes the setting for setting numerical value and transferring the time interval cycle of lifting time gap periods Numerical value.
- 9. pass system under surface instruction as claimed in claim 8, it is characterised in thatWhen it is described be encoded to binary code when, second time teletype command table of comparisons includes：First time teletype command table of comparisons In each binary code and the drilling tool the axial acceleration correspondence；Wherein, second time teletype command pair Different according to each binary code in table, different binary codes corresponds to different axial accelerations；Before second time teletype command table of comparisons is pre-set, for each two in first time teletype command table of comparisons Ary codes carry out following processing：First determine that the binary code is corresponding according to first time teletype command table of comparisons described above to carry With the decentralization time interval cycle, the axial acceleration of time interval computation of Period drilling tool is raised and decentralized according to this, and will be calculated The axial acceleration gone out is corresponded with the binary code, its correspondence is stored in second time teletype command pair According in table；During the positive integer times for being encoded to the predetermined basal latency t when described, second time teletype command table of comparisons includes：Institute State the different positive integer times of the basal latency t in first time teletype command table of comparisons and the axial acceleration of the drilling tool The correspondence of the transformation period length of degree；Wherein, each basal latency t in second time teletype command table of comparisons Positive integer times are different, and the positive integer times of the different basal latency t correspond to the transformation period of different axial accelerations Length；Before second time teletype command table of comparisons is pre-set, for each institute in first time teletype command table of comparisons The positive integer times for stating basal latency t carry out following processing：The drilling tool is calculated according to the positive integer times of each basal latency t Axial acceleration transformation period length, and by the transformation period length of the axial acceleration calculated with it is each described The positive integer times of basal latency t correspond, its correspondence is stored in second time teletype command table of comparisons.
- 10. pass system under surface instruction as claimed in claim 6, it is characterised in that the detection module detects the drilling tool Axial acceleration caused by periodically raising and decentralizing includes：The axial acceleration signal of collection is filtered, amplify with And analog-to-digital conversion, obtain axial acceleration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510188838.2A CN104929611B (en) | 2015-04-20 | 2015-04-20 | A kind of surface instruction down transmission method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510188838.2A CN104929611B (en) | 2015-04-20 | 2015-04-20 | A kind of surface instruction down transmission method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104929611A CN104929611A (en) | 2015-09-23 |
| CN104929611B true CN104929611B (en) | 2018-05-08 |
Family
ID=54117004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510188838.2A Active CN104929611B (en) | 2015-04-20 | 2015-04-20 | A kind of surface instruction down transmission method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104929611B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863622B (en) * | 2016-04-07 | 2019-05-28 | 中国海洋石油集团有限公司 | Shear valve mud pulse generator work system and its operating mode |
| CN106677768A (en) * | 2017-01-16 | 2017-05-17 | 四川宏华石油设备有限公司 | Information downloading device and method based on RPM |
| CN106894812B (en) * | 2017-03-21 | 2020-10-20 | 中国海洋石油集团有限公司 | Ground instruction downloading method and system |
| CN112377172B (en) * | 2020-12-07 | 2022-10-04 | 中国石油天然气集团有限公司 | Drilling signal downloading system and method |
| CN113417631B (en) * | 2021-08-11 | 2023-05-02 | 中国石油大学(华东) | Rotary guiding tool ground instruction downloading system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948708A (en) * | 2006-08-29 | 2007-04-18 | 西安石油大学 | Method of transmitting down order for well drilling and its system |
| CN201221345Y (en) * | 2008-06-11 | 2009-04-15 | 中国石油集团钻井工程技术研究院 | Ground downward signaling system |
| CN201420548Y (en) * | 2009-05-25 | 2010-03-10 | 中国海洋石油总公司 | Pressure detection device used for transmitting commands to downhole in drilling operation |
| USRE42426E1 (en) * | 1999-04-27 | 2011-06-07 | Halliburton Energy Services, Inc. | Apparatus and method for transmitting information to and communicating with a downhole device |
| CN102644458A (en) * | 2012-04-17 | 2012-08-22 | 中国海洋石油总公司 | Instruction downlink encoding and decoding methods based on mud-pressure pulses |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD742426S1 (en) * | 2013-07-24 | 2015-11-03 | Yanmar Co., Ltd. | Tractor |
-
2015
- 2015-04-20 CN CN201510188838.2A patent/CN104929611B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE42426E1 (en) * | 1999-04-27 | 2011-06-07 | Halliburton Energy Services, Inc. | Apparatus and method for transmitting information to and communicating with a downhole device |
| CN1948708A (en) * | 2006-08-29 | 2007-04-18 | 西安石油大学 | Method of transmitting down order for well drilling and its system |
| CN201221345Y (en) * | 2008-06-11 | 2009-04-15 | 中国石油集团钻井工程技术研究院 | Ground downward signaling system |
| CN201420548Y (en) * | 2009-05-25 | 2010-03-10 | 中国海洋石油总公司 | Pressure detection device used for transmitting commands to downhole in drilling operation |
| CN102644458A (en) * | 2012-04-17 | 2012-08-22 | 中国海洋石油总公司 | Instruction downlink encoding and decoding methods based on mud-pressure pulses |
Non-Patent Citations (2)
| Title |
|---|
| 导向钻井中的BP神经网络解码方法;谢海明等;《西安石油大学学报（自然科学版）》;20091130(第6期);第83-85页 * |
| 闭环钻井由地面向井下通讯的一种实现方法;尚海燕等;《西安石油学院学报（自然科学版）》;20020331(第2期);第70-73页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104929611A (en) | 2015-09-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104929611B (en) | A kind of surface instruction down transmission method and system | |
| CN107120115A (en) | A kind of adaptive cutting control system of development machine and method | |
| CN102808610B (en) | Coal mine down-hole drilling degree of depth real-time detection apparatus and detection method | |
| CN103076036B (en) | A kind of incremental encoder disconnection detection method and system | |
| CN201535241U (en) | Evacuating controller of a sucker-rod pumping well | |
| CN106050201A (en) | Cableless layering water injection method capable of achieving downhole flow, pressure and temperature monitoring | |
| CN102518427A (en) | System for tracking running state of underground plunger for gas production and working method thereof | |
| CN102733798A (en) | Underground ropeless testing system for oil well | |
| CN104632199A (en) | Intelligent well underground data collecting system based on high-temperature single-chip microcomputer | |
| CN202866790U (en) | Coal mine downhole drilling depth real-time detection device | |
| CN103174410A (en) | Method for achieving time and depth conversion through weight change of downhole instrument tool | |
| CN101673093A (en) | Intelligent variable frequency control system of oil extractor | |
| CN109751043B (en) | Pressure pulse coding and decoding system and method for formation pressure measurement while drilling tool | |
| CN202850902U (en) | Underground turbine generator closed loop controlling system | |
| CN102031957A (en) | Rotating guiding well drilling signal receiving device based on underground mud turbine motor | |
| CN107355214B (en) | Oil-submersible linear motor reciprocating pump closed-loop control system | |
| CN209875148U (en) | While-drilling equipment signal downloading system with downhole generator | |
| CN202338335U (en) | System for tracking downhole running state of gas production plunger | |
| CN203224223U (en) | Device for detecting layer separation of surrounding rock based on displacement sensors and wireless transmission | |
| CN106323149A (en) | Displacement collection and calibration method for rack-type oil pumping unit | |
| CN202673275U (en) | Real-time monitoring device for operating condition of drilling pump | |
| CN106894812A (en) | A kind of surface instruction down transmission method and system | |
| CN116446860A (en) | Method, device and storage medium for encoding transmission while drilling | |
| CN210243864U (en) | Damage-proof underground pipeline detecting instrument for communication engineering | |
| CN113417631A (en) | Rotary steering tool ground instruction downloading system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: China Oilfield Services Limited Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: China Oilfield Services Limited Patentee before: China National Offshore Oil Corporation |
|
| CP01 | Change in the name or title of a patent holder |