CN109296360A - A kind of multistage method for early warning based on hole deviation - Google Patents
A kind of multistage method for early warning based on hole deviation Download PDFInfo
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- CN109296360A CN109296360A CN201810968777.5A CN201810968777A CN109296360A CN 109296360 A CN109296360 A CN 109296360A CN 201810968777 A CN201810968777 A CN 201810968777A CN 109296360 A CN109296360 A CN 109296360A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000005553 drilling Methods 0.000 claims abstract description 31
- 238000012952 Resampling Methods 0.000 claims abstract description 7
- 238000013459 approach Methods 0.000 claims abstract description 7
- 238000005070 sampling Methods 0.000 claims abstract description 7
- 101100116390 Schizosaccharomyces pombe (strain 972 / ATCC 24843) ded1 gene Proteins 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013075 data extraction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
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Abstract
The invention discloses a kind of multistage method for early warning based on hole deviation, steps are as follows for specific method: S1: extracting hole deviation data from the data that drilling measuring equipment measures, and carries out resampling, forms equidistant data；S2: according to depth-numerical approach, data sequence A:{ dep, dev are constructed }；S3: planned course data sequence B:{ dep, dev are constructed using the sampling interval used in S1 according to the original planned course tables of data of drilling well }；S4: setup parameter fdev, as hole deviation deviation alarm threshold value；S5: according to bit depth dep, the hole deviation devs of planned course at drill bit is calculated；S6: the hole deviation data and planned course corresponding position hole deviation data difference ddev of drill bit actual path are calculated.The present invention is capable of the deviation of early warning wellbore trace in real time by proposed hole deviation multistage method for early warning, alleviates guiding personnel's manual detection work, avoids accident, reduces production cost.
Description
Technical field
The present invention relates to the drilling engineering technical field of oil exploration more particularly to a kind of pre- police of multistage based on hole deviation
Method.
Background technique
Currently, oil reservoir newly developed is mainly side since domestic and international oil-gas exploration and development largely comes into the middle and later periods
The difficult-to-produce reserves such as edge oil-gas reservoir, independent small oil-gas reservoir, Complicated Fault-Block Hydrocarbon Reservoir, ultra-thin oil-gas reservoir, these complicated oil reservoirs
Matter structure greatly increases cost of exploration & development and difficulty；In order to develop these oil reservoirs, got over geosteering application is bored
Come it is more, by with bore geosteering application, hole trajectory control level can be increased substantially and reservoir effectively bores
Encountering rate.
During petroleum engineering well drilling, it is the weight that drilling engineer faces that how quick and precisely ground auger, which meets formation at target locations,
Task is wanted, due to downhole conditions complexity, drilling process often deviates original design object, not only will cause drilling cost increasing
Greatly, it there is also biggish drilling risk, it is therefore desirable to accurately control parameter, hole deviation and the orientation of well track, wherein hole deviation
Data more play an important role, but there is presently no being alarmed using hole deviation, so that wind during petroleum engineering well drilling
Danger is improved, while also reducing the production efficiency of petroleum.
Summary of the invention
The purpose of the present invention is to provide a kind of multistage method for early warning based on hole deviation, it is multistage pre- by the hole deviation proposed
Alarm method is capable of the deviation of early warning wellbore trace in real time, alleviates guiding personnel's manual detection work, avoids accident, drops
The advantages of low production cost, is solved there is presently no being alarmed using hole deviation, so that the petroleum engineering well drilling during
Risk improves, while the problem of also reduce the production efficiency of petroleum.
A kind of multistage method for early warning based on hole deviation according to an embodiment of the present invention, steps are as follows for specific method:
S1: extracting hole deviation data from the data that drilling measuring equipment measures, and carry out resampling, is formed equidistant
Data；
S2: according to depth-numerical approach, data sequence A:{ dep, dev are constructed }；Sample formula are as follows:
Dev=(dev2-dev1)/(dep2-dep1) * (dep-dep1)+dev1
Wherein, dep1, dep2 are the depth of two o'clock before and after dep point, and dev1, dev2 are the hole deviation value of corresponding depth；
S3: planned course number is constructed using the sampling interval used in S1 according to the original planned course tables of data of drilling well
According to sequence B: { dep, dev }；
S4: setup parameter fdev, as hole deviation deviation alarm threshold value；
S5: according to bit depth dep, the hole deviation devs of planned course at drill bit is calculated, calculation formula is as follows:
Devs=(dev2-dev1)/(dep2-dep1) * (dep-dep1)+dev1
Wherein, dep1, dep2 are planned course data sequence B:{ dep, dev } on before and after dep point two o'clock depth,
Dev1, dev2 are the hole deviation value of corresponding depth；
S6: the hole deviation data and planned course corresponding position hole deviation data difference ddev of drill bit actual path are calculated, in which:
Ddev=| dev-devs |；
S7: successively calculated fdev value and value devs, and compare the relationship of difference devs Yu threshold value fdev, so that it is determined that
The state of warning lamp.
On the basis of above scheme, in S1, the spacing formed in equidistant data is set as 0.125-0.13m.
On the basis of above scheme, in S3, the track data sequence B is logical by original planned course tables of data
Cross what interpolation algorithm was obtained.
On the basis of above scheme, the calculation formula of the hole deviation deviation alarm threshold value fdev is fdev=90 ° of+α, described
α is stratigraphic dip.
On the basis of above scheme, the degree of the stratigraphic dip is -90 °~90 °
On the basis of above scheme, if the devs > fdev*0.8, warning lamp become yellow, if the devs > fdev*
0.9, warning lamp is red, if the devs >=fdev, audible alarm.
On the basis of above scheme, the warning lamp includes the first lamp bar, the second lamp bar and loudspeaker, and first lamp bar is in
Yellow shape, second lamp bar take on a red color shape.
On the basis of above scheme, first lamp bar, the second lamp bar and loudspeaker are and inside multistage prior-warning device
Master controller electrical connection.
On the basis of above scheme, the output end of the master controller is connected with display screen, the display screen display water
Horizontal well well logging guiding figure.
Compared with the prior art, the invention has the beneficial effects that:
1, it is capable of the deviation of early warning wellbore trace in real time by the hole deviation multistage method for early warning that is proposed, alleviates guiding
Personnel's manual detection work avoids accident, reduces production cost, and in real time will be original with drilling well with data extraction is bored
Planned course data are compared, and calculate hole deviation deviation alarm threshold value and planned course corresponding position hole deviation data is poor,
To accurately understand the relationship of devs and threshold value fdev, the drilling efficiency of oil exploration is improved；
2, set warning lamp includes the first lamp bar, the second lamp bar and loudspeaker, and the first lamp bar is in yellow shape, for reminding
The relationship of devs and threshold value fdev are normal, and the second lamp bar takes on a red color shape, for reminding the pass of devs Yu threshold value fdev when lamp is bright
There is small deviation in system, consequently facilitating hole deviation drilling well is adjusted in operator, if loudspeaker starts, Xu immediately stops
Stop hole deviation drilling engineering, need to significantly be adjusted, Multi-stage alarming mode make operator to inclination angle at bit location with
The difference at inclination angle is designed, to realize adjusting, reduces drilling cost, hole trajectory control level and reservoir can be increased substantially
Effective Drilling ratio.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of flow diagram of the multistage method for early warning based on hole deviation proposed by the present invention；
Fig. 2 is that the horizontal wellbore logging in a kind of proposed by the present invention one multistage method for early warning based on hole deviation on display screen is led
Xiang Tu.
Specific embodiment
To further understand the features of the present invention, technological means and concrete function achieved, below with specific implementation
The invention will be described in further detail for mode.
Embodiment 1
It present embodiments provides a kind of multistage method for early warning based on hole deviation, present embodiments provides a kind of based on hole deviation
Multistage method for early warning, steps are as follows for specific method:
S1: extracting hole deviation data from the data that drilling measuring equipment measures, and carry out resampling, is formed equidistant
Data；
S2: according to depth-numerical approach, data sequence A:{ dep, dev are constructed }；Sample formula are as follows:
Dev=(dev2-dev1)/(dep2-dep1) * (dep-dep1)+dev1
Wherein, dep1, dep2 are the depth of two o'clock before and after dep point, and dev1, dev2 are the hole deviation value of corresponding depth；
S3: planned course number is constructed using the sampling interval used in S1 according to the original planned course tables of data of drilling well
According to sequence B: { dep, dev }；
S4: setup parameter fdev, as hole deviation deviation alarm threshold value, stratigraphic dip α value is -60 °；
S5: according to bit depth dep, the hole deviation devs of planned course at drill bit is calculated, calculation formula is as follows:
Devs=(dev2-dev1)/(dep2-dep1) * (dep-dep1)+dev1
Wherein, dep1, dep2 are planned course data sequence B:{ dep, dev } on before and after dep point two o'clock depth,
Dev1, dev2 are the hole deviation value of corresponding depth；
S6: the hole deviation data and planned course corresponding position hole deviation data difference ddev of drill bit actual path are calculated, in which:
Ddev=| dev-devs |；
S7: successively calculated ddev value and value devs, and compare the relationship of difference devs Yu threshold value fdev, so that it is determined that
The state of warning lamp.
In S1, the spacing formed in equidistant data is set as 0.125m.
The warning lamp includes the first lamp bar, and first lamp bar is in yellow shape, if the devs >=fdev, the first lamp
Bar lamp is bright.
Embodiment 2
It present embodiments provides a kind of multistage method for early warning based on hole deviation, present embodiments provides a kind of based on hole deviation
Multistage method for early warning, steps are as follows for specific method:
S1: extracting hole deviation data from the data that drilling measuring equipment measures, and carry out resampling, is formed equidistant
Data；
S2: according to depth-numerical approach, data sequence A:{ dep, dev are constructed }；Sample formula are as follows:
Dev=(dev2-dev1)/(dep2-dep1) * (dep-dep1)+dev1
Wherein, dep1, dep2 are the depth of two o'clock before and after dep point, and dev1, dev2 are the hole deviation value of corresponding depth；
S3: planned course number is constructed using the sampling interval used in S1 according to the original planned course tables of data of drilling well
According to sequence B: { dep, dev }；
S4: setup parameter fdev, as hole deviation deviation alarm threshold value, stratigraphic dip α value is -30 °；
S5: according to bit depth dep, the hole deviation devs of planned course at drill bit is calculated, calculation formula is as follows:
Devs=(dev2-dev1)/(dep2-dep1) * (dep-dep1)+dev1
Wherein, dep1, dep2 are planned course data sequence B:{ dep, dev } on before and after dep point two o'clock depth,
Dev1, dev2 are the hole deviation value of corresponding depth；
S6: the hole deviation data and planned course corresponding position hole deviation data difference ddev of drill bit actual path are calculated, in which:
Ddev=| dev-devs |；
S7: successively calculated ddev value and value devs, and compare the relationship of difference devs Yu threshold value fdev, so that it is determined that
The state of warning lamp.
In S1, the spacing formed in equidistant data is set as 0.126m.
The warning lamp includes the first lamp bar, the second lamp bar and first lamp bar is in yellow shape, and second lamp bar is in red
Color shape, if the devs > fdev*0.8, warning lamp become yellow, if the devs > fdev*0.9, warning lamp is red.
Embodiment 3
It present embodiments provides a kind of multistage method for early warning based on hole deviation, present embodiments provides a kind of based on hole deviation
Multistage method for early warning, steps are as follows for specific method:
S1: extracting hole deviation data from the data that drilling measuring equipment measures, and carry out resampling, is formed equidistant
Data；
S2: according to depth-numerical approach, data sequence A:{ dep, dev are constructed }；Sample formula are as follows:
Dev=(dev2-dev1)/(dep2-dep1) * (dep-dep1)+dev1
Wherein, dep1, dep2 are the depth of two o'clock before and after dep point, and dev1, dev2 are the hole deviation value of corresponding depth；
S3: planned course number is constructed using the sampling interval used in S1 according to the original planned course tables of data of drilling well
According to sequence B: { dep, dev }；
S4: setup parameter fdev, as hole deviation deviation alarm threshold value, stratigraphic dip α value is 30 °；
S5: according to bit depth dep, the hole deviation devs of planned course at drill bit is calculated, calculation formula is as follows:
Devs=(dev2-dev1)/(dep2-dep1) * (dep-dep1)+dev1
Wherein, dep1, dep2 are planned course data sequence B:{ dep, dev } on before and after dep point two o'clock depth,
Dev1, dev2 are the hole deviation value of corresponding depth；
S6: the hole deviation data and planned course corresponding position hole deviation data difference ddev of drill bit actual path are calculated, in which:
Ddev=| dev-devs |；
S7: successively calculated ddev value and value devs, and compare the relationship of difference devs Yu threshold value fdev, so that it is determined that
The state of warning lamp.
In S1, the spacing formed in equidistant data is set as 0.128m.
The warning lamp includes the first lamp bar and loudspeaker, and first lamp bar is in yellow shape, if the devs > fdev*
0.8, then warning lamp becomes yellow, if the devs >=fdev, loudspeaker starts audible alarm.
Embodiment 4
A kind of multistage method for early warning based on hole deviation is present embodiments provided, steps are as follows for specific method:
S1: extracting hole deviation data from the data that drilling measuring equipment measures, and carry out resampling, is formed equidistant
Data；
S2: according to depth-numerical approach, data sequence A:{ dep, dev are constructed }；Sample formula are as follows:
Dev=(dev2-dev1)/(dep2-dep1) * (dep-dep1)+dev1
Wherein, dep1, dep2 are the depth of two o'clock before and after dep point, and dev1, dev2 are the hole deviation value of corresponding depth；
S3: planned course number is constructed using the sampling interval used in S1 according to the original planned course tables of data of drilling well
According to sequence B: { dep, dev }；
S4: setup parameter fdev, as hole deviation deviation alarm threshold value, stratigraphic dip α value is 80 °；
S5: according to bit depth dep, the hole deviation devs of planned course at drill bit is calculated, calculation formula is as follows:
Devs=(dev2-dev1)/(dep2-dep1) * (dep-dep1)+dev1
Wherein, dep1, dep2 are planned course data sequence B:{ dep, dev } on before and after dep point two o'clock depth,
Dev1, dev2 are the hole deviation value of corresponding depth；
S6: the hole deviation data and planned course corresponding position hole deviation data difference ddev of drill bit actual path are calculated, in which:
Ddev=| dev-devs |；
S7: successively calculated ddev value and value devs, and compare the relationship of difference devs Yu threshold value fdev, so that it is determined that
The state of warning lamp.
In S1, the spacing formed in equidistant data is set as 0.13m.
The warning lamp includes the first lamp bar, the second lamp bar and loudspeaker, and first lamp bar is in yellow shape, second lamp
Item takes on a red color shape.
If devs > the fdev*0.8, warning lamp become yellow, if the devs > fdev*0.9, warning lamp is red, if
The devs >=fdev, then audible alarm.
The present invention is dropped due to alleviating guiding personnel's manual detection work, avoiding accident using multistage prior-warning device
Low production cost, so that the drilling efficiency of oil exploration improves 50% or more, and multistage early warning can observe drilling shape at any time
Condition is adjusted back in time convenient for staff, increases substantially hole trajectory control level and the effective Drilling ratio of reservoir.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of multistage method for early warning based on hole deviation, it is characterised in that: steps are as follows for specific method:
S1: extracting hole deviation data from the data that drilling measuring equipment measures, and carry out resampling, forms number at equal intervals
According to；
S2: according to depth-numerical approach, data sequence A:{ dep, dev are constructed }；Sample formula are as follows:
Dev=(dev2-dev1)/(dep2-dep1) * (dep-dep1)+dev1
Wherein, dep1, dep2 are the depth of two o'clock before and after dep point, and dev1, dev2 are the hole deviation value of corresponding depth；
S3: planned course data sequence is constructed using the sampling interval used in S1 according to the original planned course tables of data of drilling well
Arrange B:{ dep, dev }；
S4: setup parameter fdev, as hole deviation deviation alarm threshold value；
S5: according to bit depth dep, the hole deviation devs of planned course at drill bit is calculated, calculation formula is as follows:
Devs=(dev2-dev1)/(dep2-dep1) * (dep-dep1)+dev1
Wherein, dep1, dep2 are planned course data sequence B:{ dep, dev } on before and after dep point two o'clock depth, dev1,
Dev2 is the hole deviation value of corresponding depth；
S6: the hole deviation data and planned course corresponding position hole deviation data difference ddev of drill bit actual path are calculated, in which:
Ddev=| dev-devs |；
S7: successively calculated ddev value and value devs, and compare the relationship of difference devs Yu threshold value fdev, so that it is determined that warning lamp
State.
2. a kind of multistage method for early warning based on hole deviation according to claim 1, it is characterised in that: in S1, formed etc.
Spacing in the data of spacing is set as 0.125-0.13m.
3. a kind of multistage method for early warning based on hole deviation according to claim 1, it is characterised in that: in S3, the rail
Mark data sequence B is to be obtained by original planned course tables of data by interpolation algorithm.
4. a kind of multistage method for early warning based on hole deviation according to claim 1, it is characterised in that: the hole deviation deviation report
The calculation formula of alert threshold value fdev is fdev=90 ° of+α, and the α is stratigraphic dip.
5. a kind of multistage method for early warning based on hole deviation according to claim 4, it is characterised in that: the stratigraphic dip
Degree is -90 °~90 °.
6. a kind of multistage method for early warning based on hole deviation according to claim 1, it is characterised in that: if the devs >
Fdev*0.8, then warning lamp becomes yellow, if the devs > fdev*0.9, warning lamp is red, if the devs >=fdev, sound
Sound alarm.
7. a kind of multistage method for early warning based on hole deviation according to claim 6, it is characterised in that: the warning lamp includes the
One lamp bar, the second lamp bar and loudspeaker, first lamp bar are in yellow shape, and second lamp bar takes on a red color shape.
8. a kind of multistage method for early warning based on hole deviation according to claim 7, it is characterised in that: first lamp bar,
Second lamp bar is electrically connected with the master controller inside multistage prior-warning device with loudspeaker.
9. a kind of multistage method for early warning based on hole deviation according to claim 8, it is characterised in that: the master controller
Output end is connected with display screen, the display screen display horizontal wellbore logging guiding figure.
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