CN104406582A - Method of planar well position navigation system built based on well log information - Google Patents

Abstract

The invention discloses a method of a planar well position navigation system built based on well log information. The system comprises an instrument measurement device and a well position navigation system module, wherein multi-well measurement signals obtained by measuring wells through the instrument measurement device are transmitted to the well position navigation system module for planar well position navigation so as to finish the building of the planar well position navigation system. The method comprises the following steps: obtaining the well log information to obtain the multi-well measurement signals; storing the multi-well measurement signals by a multi-well measurement signal storage unit; transmitting the multi-well measurement signals to a well log curve database for distributing the multi-well measurement signals to a well log interpretation result database and a heading database; receiving the data in the heading database for unified coordinate conversion by a multi-coordinate system I conversion unit; obtaining an in-oil coordinate by an in-oil coordinate transformation unit to automatically form a well position navigation map; selecting a scale, drawing a navigation map template and generating a planar navigation map by a planar well position navigation map generation unit. According to the method, the display and query of geographical position of a single well and the viewing and comparison of well log pictures and well test data of adjacent wells are realized.

Description

A kind of method of the plane well location navigational system based on well logging information foundation

Technical field

The present invention relates to petroleum exploration logging and explain field, the method for the plane well location navigational system utilizing well logging information to set up, well location navigational system is mainly used in on-the-spot well logging interpretation and region Evaluation of Oil And Gas.

Background technology

Well location map is the map of oilfield prospecting developing, Logging Geology indispensability.Well location map is generally drawn by geological personnel, and well logging interpretation personnel can only obtain well location map by certain approach.What oil field was taked is progressive exploratioon and development pattern, well site deployment is dynamic always, the well location map existing defects that well logging interpretation personnel collect or hysteresis phenomenon, is not that the new well explained can not find on old well location map, be exactly well location map when collecting, new well has been explained complete.Especially, for the area cannot collecting well site deployment figure, target well geographic position cannot intuitively be presented on planimetric map, Regional Laws is not obvious, offset well data and explain conclusion inquiry and show time-consuming, effort, can reference utilization factor not enough, these problems have a strong impact on the work efficiency of explanation personnel, for the problem that current on-site interpretation runs into, be badly in need of utilizing well-log information to set up well location navigation picture.At present, this technology vacancy in oil well logging industry.

Summary of the invention

A kind of reservoir hydrocarbons is the object of the present invention is to provide to evaluate the method for the plane well location navigational system based on well logging information foundation of synthetic study, the plane well location navigation picture set up based on well logging information can follow up exploratory development well site deployment in time, realize the display of individual well geographic position, inquiry, the well logging picture of offset well and oil test data are checked and comparison.

The object of the invention is to be realized by following technical proposals.

The invention provides a kind of plane well location navigational system set up based on well logging information, comprising:

Apparatus measures device, is made up of, for providing logging signal device for subsurface measuring and surface seismic records instrument car;

Well location navigational system module, carries out the plane well location navigation process of well logging information, thus completes the plane well location navigation of setting up based on well logging information by the many borehole logging tools Signal transmissions obtained through apparatus measures measurement device to well location navigational system module;

Described well location navigational system module comprises:

These logging signal data for storing the logging signal obtained in borehole measurement by logging instrumentation, and are transferred to many wells Multi-layer technology signal element by many borehole logging tools signal memory cell;

Many wells Multi-layer technology signal element, for logging signal data being transferred to respectively borehole log data storehouse, well logging interpretation raw data, figure head database, extracts many wells curve numerical value, well logging interpretation performance data and figure head data;

Multiple coordinate system unifies converting unit, for respectively the well coordinate information that many wells Multi-layer technology signal element and figure head database comprise being formed unified coordinate signal;

Coordinate transformation unit in oil, for the calculating utilizing radius of curvature method to carry out shift offset, and will obtain coordinate in oil;

Plane well location navigation picture generation unit, for coordinated system navigation picture template in the oil that will obtain, generates horizontal navigation figure;

The automatic matching unit of geologic data, under being automatically matched to corresponding well-name and well section by the data of diagram database, well logging interpretation raw data;

Well location navigation picture and log data link call unit, call, complete the plane well location navigational system for on-the-spot well logging interpretation and region Evaluation of Oil And Gas for the signal automatic matching unit of plane well location navigation picture generation unit and geologic data sent;

Described apparatus measures device is connected to well location navigational system module by signal, apparatus measures device is connected to many wells Multi-layer technology signal element by the many borehole logging tools signal memory cell in well location navigational system module, many wells Multi-layer technology signal element is connected to borehole log data storehouse respectively, well logging interpretation raw data, figure head database and multiple coordinate system unify converting unit, the multiple coordinate system of figure head DataBase combining unifies coordinate transformation unit in converting unit to oil, in oil, coordinate transformation unit connects plane well location navigation picture generation unit and log data interlock call unit successively, borehole log data storehouse is connected geologic data automatic matching unit to log data with well logging interpretation raw data links call unit, thus completes and build plane well location navigational system.

The present invention and then also provide a kind of method of plane well location navigational system set up based on well logging information, comprises the steps:

1) downhole logging instruments and surface seismic records instrument car carry out the acquisition of well-log information, obtain many borehole logging tools signal;

2) many borehole logging tools signal memory cell stores the logging signal obtained in borehole measurement by logging instrumentation, and this signal is sent to many wells Multi-layer technology signal element;

3) borehole log data stored in many borehole logging tools signal memory cell is transferred to borehole log data storehouse by many wells Multi-layer technology signal element; The well logging interpretation performance data layering stored in many borehole logging tools signal memory cell, grouped data are transferred to well logging interpretation raw data; The figure header stored in many borehole logging tools signal memory cell is transferred to figure head database, and figure header comprises the mouth coordinate data of many wells;

4) multiple coordinate system unifies the mouth coordinate data that figure head database obtains by converting unit, uses the Proj.NET technology of the conversion between multiple coordinate system, carries out the unified conversion of coordinate system;

5) in oil, multiple coordinate system is unified the coordinate changed in converting unit by coordinate transformation unit, is carried out the calculating of shift offset by radius of curvature method, obtains coordinate in oil, utilizes coordinate in oil automatically to form well location navigation picture;

6) plane well location navigation picture generation unit unifies according to multiple coordinate system the coordinate data that in converting unit and oil, coordinate transformation unit obtains, and chooses engineer's scale, draws navigation picture template, generates horizontal navigation figure;

7) diagram database, well logging interpretation raw data by Signal transmissions to the automatic matching unit of geologic data, this unit supports data wall scroll and the Batch conversion of the Excel forms such as geological layering, formation testing, analytical test, realize under data are automatically matched to corresponding well-name and well section, mate with pound sign setting data, formation testing data are by automatic and well surveying data correlation, and Various types of data is changed mutually;

8) well location navigation picture and the log data signal that call unit utilizes the automatic matching unit of plane well location navigation picture generation unit and geologic data to send that links is called by (a), (b), (c) three aspects, completes the plane well location navigational system for on-the-spot well logging interpretation and region Evaluation of Oil And Gas.

Further, described (a), (b), (c) three aspects comprise:

A the accurate positioning searching of () well location: self-defined well set, according to the screening conditions of setting or with the regional choice well that well location and coordinate are confined, chooses well highlighted display on well location map;

B () borehole log data associates with well location navigation picture and calls: the well that well location navigation picture shows, comprise the well location coordinate display of many mouthfuls of wells, when clicking well location, be automatically associated to log data, log data map is checked, is analyzed, and the demand of the practical study according to well logging interpretation personnel, calls corresponding well data by navigation picture;

C display is disposed in () cluster wells well site: on well location navigation picture, well location coordinate shows coordinate in mouth coordinate and oil, and the deployment distribution situation of cluster wells can clear display on navigation picture.

Further, described logging signal data comprise hole drift angle α and position angle φ data, and these data carry out record with sampling interval; If judge that required hole deviation position overlaps with certain sampled point through diagram database, then directly use the hole drift angle measured and bearing data; If all do not overlapped with any sampled point, then obtain hole drift angle and the position angle of this point according to the data of adjacent two known sampled points.

Further, described hole drift angle is obtained by following formula:

Hole drift angle α is obtained by following formula:

$\mathrm{\α}=\frac{\mathrm{\Δ}{L}_2{\mathrm{\α}}_1+\mathrm{\Δ}{L}_1{\mathrm{\α}}_2}{\mathrm{\ΔL}}$ ①

Wherein, Δ L ₂=L ₂-L, Δ L ₁=L ₁-L, Δ L=L ₂-L ₁;

α is the hole drift angle of required point, rad; α ₁be the hole drift angle of the 1st neighbouring sample point, rad; α ₂be the hole drift angle of the 2nd neighbouring sample point, rad; L ₁be the tiltedly dark of the 1st neighbouring sample point, m; L ₂be the tiltedly dark of the 2nd neighbouring sample point, m; L is the tiltedly dark of required point, m.

Further, described position angle is obtained by following formula:

$\mathrm{\φ}={\mathrm{\φ}}_1+({\mathrm{\φ}}_2-{\mathrm{\φ}}_1)\frac{\cos {\mathrm{\α}}_1-\cos \mathrm{\α}}{\cos {\mathrm{\α}}_1-\cos {\mathrm{\α}}_2}$ ②

Wherein φ is the position angle of required point, rad; φ ₁be the position angle of the 1st neighbouring sample point, rad; φ ₂be the position angle of the 2nd neighbouring sample point, rad.

Further, in described oil, coordinate transformation unit (9) utilizes radius of curvature method to carry out the calculating of shift offset, is realized by following method:

According to radius of curvature method geometrical principle, derive thing shift offset Δ E, shifting between south and north offset Δ N:

$\mathrm{\ΔE}=\mathrm{\Δ}{L}_1\sin {\mathrm{\α}}_r\sin {\mathrm{\φ}}_r\frac{\sin \frac{\mathrm{\Δ\α}}{2}}{\frac{\mathrm{\Δ\α}}{2}}\frac{\sin \frac{\mathrm{\Δ\φ}}{2}}{\frac{\mathrm{\Δ\φ}}{2}}$ ③

$\mathrm{\ΔN}=\mathrm{\Δ}{L}_1\sin {\mathrm{\α}}_r\cos {\mathrm{\φ}}_r\frac{\sin \frac{\mathrm{\Δ\α}}{2}}{\frac{\mathrm{\Δ\α}}{2}}\frac{\sin \frac{\mathrm{\Δ\φ}}{2}}{\frac{\mathrm{\Δ\φ}}{2}}$ ④

Wherein ${\mathrm{\α}}_r=\frac{{\mathrm{\α}}_1+\mathrm{\α}}{2},{\mathrm{\φ}}_r=\frac{{\mathrm{\φ}}_1+\mathrm{\φ}}{2},$ Δα＝α-α ₁，Δφ＝φ-φ ₁；

Formula 3. middle Δ E is the thing displacement of required point and first measurement point, m; Formula 4. middle Δ N is the shifting between south and north of required point and first measurement point, m.

Further, in described oil, coordinate is respectively:

x＝L _n1+ΔN+X ₀⑤

y＝L _e1+ΔE+Y ₀⑥

In formula: x is ordinate in required point oil, y is horizontal ordinate in required point oil, L _n1for contiguous first measurement point is relative to the shifting between south and north of well head, m; L _e1for contiguous first measurement point is relative to the thing displacement of well head, m; X ₀for well head ordinate, Y ₀for well head horizontal ordinate.

The present invention is the well logging information utilizing region well, by well location navigational system Module Generation well location navigation picture.Well location navigational system is the system that a kind of reservoir hydrocarbons evaluates synthetic study, achieve well location navigation picture to associate with log data and call, realize list well geographic position and search display, offset well log data, geologic data, the checking of formation testing data, improve well logging, geologic information inquiry (contrast) efficiency, shorten the interpretation work time.

Accompanying drawing explanation

Accompanying drawing 1 is well location navigational system schematic diagram;

The well location navigation picture that accompanying drawing 2 generates automatically for performance model;

Accompanying drawing 3 is cluster wells well location navigation picture;

What accompanying drawing 4 was well location map, log and geology formation testing data calls inquiry.

Embodiment

Below in conjunction with drawings and Examples, the invention will be described in further detail.

As shown in Figure 1, plane well location navigational system of the present invention forms primarily of two links: apparatus measures device 1, well location navigational system module 2.Be delivered to well location navigational system module 2 carry out the navigation of plane well location through log well many well measurements signal of obtaining of apparatus measures device 1, thus complete drafting and the application of plane well location navigation picture.

Wherein, apparatus measures device 1 is made up of, for providing logging signal device for subsurface measuring and surface seismic records instrument car;

Wherein, position navigational system module 2 comprises: many well measurements signal memory cell 3, many wells Multi-layer technology signal element 4, borehole log data storehouse 5, well logging interpretation raw data 6, figure head database 7, multiple coordinate system are unified coordinate transformation unit 9 in converting unit 8, oil, plane well location navigation picture generation unit 10, the automatic matching unit 11 of geologic data and well location navigation picture and log data and to be linked call unit 12.

Wherein, these logging signal data for storing the logging signal obtained in borehole measurement by logging instrumentation, and are transferred to many wells Multi-layer technology signal element 4 by many borehole logging tools signal memory cell 3;

Many wells Multi-layer technology signal element 4, for logging signal data being transferred to respectively borehole log data storehouse 5, well logging interpretation raw data 6, figure head database 7, extracts many wells curve numerical value, well logging interpretation performance data and figure head data;

Multiple coordinate system unifies converting unit 8, for respectively the well coordinate information that many wells Multi-layer technology signal element 4 and figure head database 7 comprise being formed unified coordinate signal;

Coordinate transformation unit 9 in oil, for the calculating utilizing radius of curvature method to carry out shift offset, and will obtain coordinate in oil;

Plane well location navigation picture generation unit 10, for coordinated system navigation picture template in the oil that will obtain, generates horizontal navigation figure;

The automatic matching unit 11 of geologic data, under being automatically matched to corresponding well-name and well section by the data of diagram database 5, well logging interpretation raw data 6;

Well location navigation picture and log data link call unit 12, signal for the automatic matching unit 11 of plane well location navigation picture generation unit 10 and geologic data being sent calls, and completes the plane well location navigational system for on-the-spot well logging interpretation and region Evaluation of Oil And Gas;

Many borehole logging tools signal memory cell 3 stores the logging signal obtained in borehole measurement by logging instrumentation, and many borehole logging tools signal memory cell comprises the basis signal such as many borehole logging tools curve numerical value, well logging interpretation performance data, figure head data required in plane well location navigational system module; These logging signal data (figure header, logging trace, interpretation results data hierarchy, classification extract) are transferred to many wells Multi-layer technology signal element 4 by many borehole logging tools signal memory cell 3; Transfer to borehole log data storehouse 5 respectively by many wells Multi-layer technology signal element 4, well logging interpretation raw data 6, figure head database 7 extract many wells curve numerical value, well logging interpretation performance data and figure head data, figure header comprises mouth coordinate data; Figure head database 7 comprises the coordinate information of all wells, unifies converting unit 8 form coordinate transformation unit 9 in unified coordinate signal transmission oil supply through multiple coordinate system; Utilize radius of curvature method to carry out the calculating of shift offset, and coordinates transmission will to be obtained in oil to plane well location navigation picture generation unit 10; And the signal comprised by diagram database 5, well logging interpretation raw data 6 is sent to the automatic matching unit 11 of geologic data; Signals all for the automatic matching unit 11 of plane well location navigation picture generation unit 10 and geologic data is sent to well location navigation picture and log data to link call unit 12, thus completes and build plane well location navigational system.

Based on the method for the plane well location navigational system that well logging information is set up, concrete steps are as follows:

1) carried out the acquisition of well-log information by downhole logging instruments and surface seismic records instrument car, obtain many borehole logging tools signal.

2) many borehole logging tools signal memory cell 3 stores the many log signals obtained in borehole measurement by logging instrumentation, and these measurement many log signals data are transferred to many wells Multi-layer technology signal element 4 respectively;

3) by many wells Multi-layer technology signal element 4, the borehole log data stored in many borehole logging tools signal memory cell 3 is transferred to borehole log data storehouse 5;

4) many wells Multi-layer technology signal element 4 transfers to well logging interpretation raw data 6 the well logging interpretation performance data layering stored in many borehole logging tools signal memory cell 3, grouped data;

5) many wells Multi-layer technology signal element 4 transfers to the figure header stored in many borehole logging tools signal memory cell 3 the mouth coordinate data that figure head database 7, figure header comprises many wells;

6) multiple coordinate system unifies the mouth coordinate data that converting unit 8 obtains figure head database 7, the Proj.NET technology of the conversion between multiple coordinate system is used (to be the space reference and projection engine of increasing income under a .NET, by staff developments such as D_Guidi, SharpGIS, codekaizen, rstuven), solve the skimble-scamble problem of coordinate system;

7) in oil, coordinate transformation unit 9 unifies multiple coordinate system on the coordinate changed in converting unit 8, is carried out the calculating of shift offset by radius of curvature method, obtains coordinate in oil, and utilize coordinate in oil automatically to form well location navigation picture, concrete grammar is as follows:

Can provide hole drift angle α and position angle φ data in logging signal data, these data carry out record with a fixed sample interval.Judge if required hole deviation position overlaps with certain sampled point through diagram database 5, then directly use the hole drift angle measured and bearing data; If all do not overlapped with any sampled point, then obtain hole drift angle and the position angle of this point according to the data of adjacent two known sampled points.

Hole drift angle α is obtained by following formula:

$\mathrm{\α}=\frac{\mathrm{\Δ}{L}_2{\mathrm{\α}}_1+\mathrm{\Δ}{L}_1{\mathrm{\α}}_2}{\mathrm{\ΔL}}$ ①

Wherein, Δ L ₂=L ₂-L, Δ L ₁=L ₁-L, Δ L=L ₂-L ₁;

α is the hole drift angle of required point, rad; α ₁be the hole drift angle of the 1st neighbouring sample point, rad; α ₂be the hole drift angle of the 2nd neighbouring sample point, rad; L ₁be the tiltedly dark of the 1st neighbouring sample point, m; L ₂be the tiltedly dark of the 2nd neighbouring sample point, m; L is the tiltedly dark of required point, m.

Position angle is obtained by following formula:

$\mathrm{\φ}={\mathrm{\φ}}_1+({\mathrm{\φ}}_2-{\mathrm{\φ}}_1)\frac{\cos {\mathrm{\α}}_1-\cos \mathrm{\α}}{\cos {\mathrm{\α}}_1-\cos {\mathrm{\α}}_2}$ ②

Wherein φ is the position angle of required point, rad; φ ₁be the position angle of the 1st neighbouring sample point, rad; φ ₂be the position angle of the 2nd neighbouring sample point, rad.

According to radius of curvature method geometrical principle, derive thing shift offset Δ E, shifting between south and north offset Δ N:

$\mathrm{\ΔE}=\mathrm{\Δ}{L}_1\sin {\mathrm{\α}}_r\sin {\mathrm{\φ}}_r\frac{\sin \frac{\mathrm{\Δ\α}}{2}}{\frac{\mathrm{\Δ\α}}{2}}\frac{\sin \frac{\mathrm{\Δ\φ}}{2}}{\frac{\mathrm{\Δ\φ}}{2}}$ ③

$\mathrm{\ΔN}=\mathrm{\Δ}{L}_1\sin {\mathrm{\α}}_r\cos {\mathrm{\φ}}_r\frac{\sin \frac{\mathrm{\Δ\α}}{2}}{\frac{\mathrm{\Δ\α}}{2}}\frac{\sin \frac{\mathrm{\Δ\φ}}{2}}{\frac{\mathrm{\Δ\φ}}{2}}$ ④

Wherein ${\mathrm{\α}}_r=\frac{{\mathrm{\α}}_1+\mathrm{\α}}{2},{\mathrm{\φ}}_r=\frac{{\mathrm{\φ}}_1+\mathrm{\φ}}{2},$ Δα＝α-α ₁，Δφ＝φ-φ ₁；

Formula 3. middle Δ E is the thing displacement of required point and first measurement point, m; Formula 4. middle Δ N is the shifting between south and north of required point and first measurement point, m.

In oil, coordinate is respectively:

x＝L _n1+ΔN+X ₀⑤

y＝L _e1+ΔE+Y ₀⑥

In formula: x is ordinate in required point oil, y is horizontal ordinate in required point oil, L _n1for contiguous first measurement point is relative to the shifting between south and north of well head, m; L _e1for contiguous first measurement point is relative to the thing displacement of well head, m; X ₀for well head ordinate, Y ₀for well head horizontal ordinate.

8) plane well location navigation picture generation unit 10 unifies according to multiple coordinate system the coordinate data that in converting unit 8 and oil, coordinate transformation unit 9 obtains, and chooses suitable engineer's scale, draws navigation picture template, generates horizontal navigation figure.

9) diagram database 5, well logging interpretation raw data 6 by Signal transmissions to the automatic matching unit 11 of geologic data, this unit supports data wall scroll and the Batch conversion of the Excel forms such as geological layering, formation testing, analytical test, achieve data be automatically matched to corresponding well-name and well section under technology, be that key word is by arranging fields match with pound sign, formation testing data automatically and well data correlation available, will realize the flexible conversion of Various types of data;

10) well location navigation picture and the log data signal that call unit 12 utilizes the automatic matching unit 11 of plane well location navigation picture generation unit 10 and geologic data to send that links is called by following (a), (b), (c) three aspects, completes the plane well location navigational system for on-the-spot well logging interpretation and region Evaluation of Oil And Gas.

A (), (b), (c) three aspects are as follows:

A the accurate positioning searching of () well location: self-defined well set, according to the screening conditions of setting or with the regional choice well that well location and coordinate are confined, can choose well highlighted display on well location map;

B () borehole log data associates with well location navigation picture and calls: the well that well location navigation picture shows, it is not only the well location coordinate display of a bite well, when clicking well location, log data can be automatically associated to, log data map can be checked, analyzed, and the demand of the practical study according to well logging interpretation personnel, can call corresponding well data by navigation picture;

C display is disposed in () cluster wells well site.On well location navigation picture, well location coordinate can show coordinate in mouth coordinate and oil, and deployment distribution situation clear display of energy on navigation picture of cluster wells, contributes to the evaluation analysis of cluster wells.

Accompanying drawing 2 is embodiments of the well location navigation picture with the generation of plane well location navigational system.For the well location navigation picture that Ma Ling exploratory area realizes.Choosing Changqing oilfields Ma Ling exploratory area (containing three development areas) is model measurement object, comprises 79 mouthfuls of prospect pits, appraisal well and 135 mouthfuls of exploitation wells in block, collects well logging and the oil testing and fracture data of 214 mouthfuls of wells for long 8 research layer position altogether; Figure intermediate cam shape represents prospect pit well location, and rhombus represents appraisal well well location, circular expression exploitation well well location, and square represents Administrative zones' name; Well location map can realize automatic amplification, reduce and check well location, realizes accurate well location positioning searching simultaneously, the highlighted display of the well found.The well location navigation picture of automatic generation, can make all kinds of navigation picture template as required; Such as by the size of wellblock, the drawing ratio of coupling can be set; By other difference of well, with different colours, shape well other well location different from the point-rendering of size; By the well of value and non-value, draw well location etc. with hollow and solid.Navigation picture can according to actual production need draw each class template, other blocks use time, call template.

The cluster wells well location map in ring 82 development area in exploratory area, accompanying drawing 3 Shi Yima ridge.As can be seen from the figure, on same well site, the deployment orientation of cluster wells, the distribution situation of skeleton well, water injection well, is beneficial to the determination from macroscopically explaining conclusion to cluster wells.

Accompanying drawing 4 is for ring X well, the well logging synthesizing map that the left side is drawn, and the right is well location map, and what show below synthesizing map is the formation testing data of zone of interest, comprises perforation interval, formation testing result, pressure break add sand, displacement data etc.By the switching of well-name and geological layer condition, realize every log of a bite well, the display of formation testing data on well location navigation picture.When clicking ring X well on well location map, be automatically associated to log data, well logging picture, formation testing data, when switching well logging picture, on well location map, this well associates highlighted display.Formation testing data and log data Auto-matching extract.Geology formation testing data mostly are EXCEL file, and in the EXCEL file of reading, columns and rows do not limit by form, with pound sign be key word by arranging fields match, formation testing data by automatically and well data correlation also can call.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1., based on the plane well location navigational system that well logging information is set up, it is characterized in that, comprising:

Apparatus measures device (1), is made up of, for providing logging signal device for subsurface measuring and surface seismic records instrument car;

Well location navigational system module (2), by measure through apparatus measures device (1) many borehole logging tools Signal transmissions to the well location navigational system module (2) obtained carry out well logging information plane well location navigation process, thus complete based on well logging information set up plane well location navigation;

Described well location navigational system module (2) comprising:

These logging signal data for storing the logging signal obtained in borehole measurement by logging instrumentation, and are transferred to many wells Multi-layer technology signal element (4) by many borehole logging tools signal memory cell (3);

Many wells Multi-layer technology signal element (4), for logging signal data being transferred to respectively borehole log data storehouse (5), well logging interpretation raw data (6), figure head database (7), extract many wells curve numerical value, well logging interpretation performance data and figure head data;

Multiple coordinate system unifies converting unit (8), for respectively the well coordinate information that many wells Multi-layer technology signal element (4) and figure head database (7) comprise being formed unified coordinate signal;

Coordinate transformation unit (9) in oil, for the calculating utilizing radius of curvature method to carry out shift offset, and will obtain coordinate in oil;

Plane well location navigation picture generation unit (10), for coordinated system navigation picture template in the oil that will obtain, generates horizontal navigation figure;

The automatic matching unit (11) of geologic data, under being automatically matched to corresponding well-name and well section by the data of diagram database (5), well logging interpretation raw data (6);

Well location navigation picture and log data link call unit (12), signal for the automatic matching unit (11) of plane well location navigation picture generation unit (10) and geologic data being sent calls, and completes the plane well location navigational system for on-the-spot well logging interpretation and region Evaluation of Oil And Gas;

Described apparatus measures device (1) is connected to well location navigational system module (2) by signal, apparatus measures device (1) is connected to many wells Multi-layer technology signal element (4) by the many borehole logging tools signal memory cell (3) in well location navigational system module (2), many wells Multi-layer technology signal element (4) is connected to borehole log data storehouse (5) respectively, well logging interpretation raw data (6), figure head database (7) and multiple coordinate system unify converting unit (8), figure head database (7) connects multiple coordinate system and unifies coordinate transformation unit (9) in converting unit (8) to oil, in oil, coordinate transformation unit (9) connects plane well location navigation picture generation unit (10) and log data interlock call unit (12) successively, borehole log data storehouse (5) is connected the automatic matching unit (11) of geologic data to log data interlock call unit (12) with well logging interpretation raw data (6), thus completes structure plane well location navigational system.

2., based on a method for the plane well location navigational system of well logging information foundation, it is characterized in that, the method comprises the steps:

1) downhole logging instruments and surface seismic records instrument car carry out the acquisition of well-log information, obtain many borehole logging tools signal;

2) many borehole logging tools signal memory cell (3) stores the logging signal obtained in borehole measurement by logging instrumentation, and this signal is sent to many wells Multi-layer technology signal element (4);

3) borehole log data stored in many borehole logging tools signal memory cell (3) is transferred to borehole log data storehouse (5) by many wells Multi-layer technology signal element (4); The well logging interpretation performance data layering stored in many borehole logging tools signal memory cell (3), grouped data are transferred to well logging interpretation raw data (6); The figure header stored in many borehole logging tools signal memory cell (3) is transferred to figure head database (7), and figure header comprises the mouth coordinate data of many wells;

4) multiple coordinate system unifies the mouth coordinate data that figure head database (7) obtains by converting unit (8), uses the Proj.NET technology of the conversion between multiple coordinate system, carries out the unified conversion of coordinate system;

5) in oil, multiple coordinate system is unified the coordinate changed in converting unit (8) by coordinate transformation unit (9), the calculating of shift offset is carried out by radius of curvature method, obtain coordinate in oil, utilize coordinate in oil automatically to form well location navigation picture;

6) plane well location navigation picture generation unit (10) unifies according to multiple coordinate system the coordinate data that in converting unit (8) and oil, coordinate transformation unit (9) obtains, choose engineer's scale, draw navigation picture template, generate horizontal navigation figure;

7) diagram database (5), well logging interpretation raw data (6) by Signal transmissions to the automatic matching unit of geologic data (11), this unit supports data wall scroll and the Batch conversion of the Excel forms such as geological layering, formation testing, analytical test, realize under data are automatically matched to corresponding well-name and well section, mate with pound sign setting data, formation testing data are by automatic and well surveying data correlation, and Various types of data is changed mutually;

8) well location navigation picture and the log data signal that call unit (12) utilizes the automatic matching unit (11) of plane well location navigation picture generation unit (10) and geologic data to send that links is called by (a), (b), (c) three aspects, completes the plane well location navigational system for on-the-spot well logging interpretation and region Evaluation of Oil And Gas.

3. the method for the plane well location navigational system based on well logging information foundation according to claim 2, it is characterized in that, described (a), (b), (c) three aspects comprise:

A the accurate positioning searching of () well location: self-defined well set, according to the screening conditions of setting or with the regional choice well that well location and coordinate are confined, chooses well highlighted display on well location map;

B () borehole log data associates with well location navigation picture and calls: the well that well location navigation picture shows, comprise the well location coordinate display of many mouthfuls of wells, when clicking well location, be automatically associated to log data, log data map is checked, is analyzed, and the demand of the practical study according to well logging interpretation personnel, calls corresponding well data by navigation picture;

C display is disposed in () cluster wells well site: on well location navigation picture, well location coordinate shows coordinate in mouth coordinate and oil, and the deployment distribution situation of cluster wells can clear display on navigation picture.

4. the method for a kind of plane well location navigational system based on well logging information foundation according to claim 2, it is characterized in that, described logging signal data comprise hole drift angle α and position angle φ data, and these data carry out record with sampling interval; Through diagram database (5) if judge that required hole deviation position overlaps with certain sampled point, then directly use the hole drift angle measured and bearing data; If all do not overlapped with any sampled point, then obtain hole drift angle and the position angle of this point according to the data of adjacent two known sampled points.

5. the method for a kind of plane well location navigational system based on well logging information foundation according to claim 2, it is characterized in that, described hole drift angle is obtained by following formula:

Hole drift angle α is obtained by following formula:

$\mathrm{\α}=\frac{\mathrm{\Δ}{L}_2{\mathrm{\α}}_1+{\mathrm{\ΔL}}_1{\mathrm{\α}}_2}{\mathrm{\ΔL}}$ ①

Wherein, Δ L ₂=L ₂-L, Δ L ₁=L ₁-L, Δ L=L ₂-L ₁;

α is the hole drift angle of required point, rad; α ₁be the hole drift angle of the 1st neighbouring sample point, rad; α ₂be the hole drift angle of the 2nd neighbouring sample point, rad; L ₁be the tiltedly dark of the 1st neighbouring sample point, m; L ₂be the tiltedly dark of the 2nd neighbouring sample point, m; L is the tiltedly dark of required point, m.

6. the method for a kind of plane well location navigational system based on well logging information foundation according to claim 2, it is characterized in that, described position angle is obtained by following formula:

$\mathrm{\φ}={\mathrm{\φ}}_1+({\mathrm{\φ}}_2-{\mathrm{\φ}}_1)\frac{\cos {\mathrm{\α}}_1-\cos \mathrm{\α}}{\cos {\mathrm{\α}}_1-\cos {\mathrm{\α}}_2}$ ②

Wherein φ is the position angle of required point, rad; φ ₁be the position angle of the 1st neighbouring sample point, rad; φ ₂be the position angle of the 2nd neighbouring sample point, rad.

7. the method for a kind of plane well location navigational system based on well logging information foundation according to claim 2, it is characterized in that, in described oil, coordinate transformation unit (9) utilizes radius of curvature method to carry out the calculating of shift offset, is realized by following method:

According to radius of curvature method geometrical principle, derive thing shift offset Δ E, shifting between south and north offset Δ N:

$\mathrm{\ΔE}={\mathrm{\ΔL}}_1\sin {\mathrm{\α}}_r\sin {\mathrm{\φ}}_r\frac{\sin \frac{\mathrm{\Δ\α}}{2}}{\frac{\mathrm{\Δ\α}}{2}}\frac{\sin \frac{\mathrm{\Δ\φ}}{2}}{\frac{\mathrm{\Δ\φ}}{2}}$ ③

$\mathrm{\ΔN}={\mathrm{\ΔL}}_1\sin {\mathrm{\α}}_r\cos {\mathrm{\φ}}_r\frac{\sin \frac{\mathrm{\Δ\α}}{2}}{\frac{\mathrm{\Δ\α}}{2}}\frac{\sin \frac{\mathrm{\Δ\φ}}{2}}{\frac{\mathrm{\Δ\φ}}{2}}$ ④

Wherein Δ α=α-α ₁, Δ φ=φ-φ ₁;

Formula 3. middle Δ E is the thing displacement of required point and first measurement point, m; Formula 4. middle Δ N is the shifting between south and north of required point and first measurement point, m.

8. the method for a kind of plane well location navigational system based on well logging information foundation according to claim 2, it is characterized in that, in described oil, coordinate is respectively:

x＝L _n1+ΔN+X ₀⑤

y＝L _e1+ΔE+Y ₀⑥

In formula: x is ordinate in required point oil, y is horizontal ordinate in required point oil, L _n1for contiguous first measurement point is relative to the shifting between south and north of well head, m; L _e1for contiguous first measurement point is relative to the thing displacement of well head, m; X ₀for well head ordinate, Y ₀for well head horizontal ordinate.