CN111858473B - Data multi-type index mapping method compatible with perforation coring and cable logging - Google Patents

Data multi-type index mapping method compatible with perforation coring and cable logging Download PDF

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Publication number
CN111858473B
CN111858473B CN202010531507.5A CN202010531507A CN111858473B CN 111858473 B CN111858473 B CN 111858473B CN 202010531507 A CN202010531507 A CN 202010531507A CN 111858473 B CN111858473 B CN 111858473B
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index
data
logging
perforation
coring
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CN111858473A (en
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雷晓阳
陈江浩
余卫东
周军
姚根虎
樊琦
陈歆
刘建建
于文茂
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China National Petroleum Corp
China Petroleum Logging Co Ltd
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China National Petroleum Corp
China Petroleum Logging Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/13File access structures, e.g. distributed indices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/16File or folder operations, e.g. details of user interfaces specifically adapted to file systems
    • G06F16/168Details of user interfaces specifically adapted to file systems, e.g. browsing and visualisation, 2d or 3d GUIs

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
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  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Image Generation (AREA)

Abstract

The invention discloses a data multi-type index mapping method compatible with perforation coring and cable logging, and belongs to the field of logging and perforation data visual display. According to the data multi-type index mapping method compatible with perforation coring and cable logging, a modularized and aspect-oriented software design thought is adopted, a data index mapping function is extracted, corresponding relations between indexes and pixels in different index modes are calculated according to characteristics of data, different types of index objects are established, a set of unified index mapping interfaces are provided for an upper-layer visual system, and the visual system can conveniently perform a unified drawing method. The data multi-type index mapping method compatible with perforation coring and cable logging can quickly and simply realize perforation coring and cable logging compatible display and quick switching.

Description

Data multi-type index mapping method compatible with perforation coring and cable logging
Technical Field
The invention belongs to the field of well logging and perforation data visual display, and particularly relates to a data multi-type index mapping method compatible with perforation coring and cable well logging.
Background
The cable-fed perforating coring is to use a cable to carry the perforating corer to the destination layer within the casing to perform a positioning perforation or coring. Similar to cable logging, perforating and coring also requires visual display by converting the data collected by the instrument into a curve for operator monitoring and later data analysis.
In general, visual display of logging data is generally indexed by depth or time, and by establishing a mapping relationship between the curve data and the data index, the curve data at the corresponding index position is read, and various logging data visual images such as logging curves or two-dimensional data images are drawn. The depth or time based data is typically one way increment or decrement when used as a data index, and the log data images are also shown in a fixed orientation. However, unlike the logging process, the operation of perforating and coring is not monotonous, the display index data of perforating and coring is required to show a plurality of logging states such as lifting, lowering, stopping and the like in one logging view, and the drawing view is required to display the switching process of the measurement data and the states of each stage.
At present, the display drawing of perforation coring and the display of cable logging do not have a system compatible with the unified display drawing of the two types of data, and mainly the index mapping modes of the two types of data are very different, and different index types cannot be quickly switched for visual display, so that the complexity of the operation flow of operators and the redundancy of software product design and research and development are increased.
Disclosure of Invention
The invention aims to overcome the defect that the display drawing of perforation coring and cable logging cannot be compatible in a drawing system, and provides a data multi-type index mapping method compatible with perforation coring and cable logging.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
a data multi-type index mapping method compatible with perforation coring and cable logging comprises the following steps:
Step 1, preprocessing index data of a data file to obtain data monotonically in depth or time;
step2, creating different index objects according to a default index curve according to the data type of the logging file;
step 3, in the logging view, drawing different logging curves, and marking index data;
And 4, rapidly switching different index curves to realize rapid drawing switching of different index types of views.
Further, the step 2) includes the following operations:
if the logging file is cable logging data, reading file header information, and setting a default index curve as a default index curve set by the file header;
And carrying out well logging data index relation calculation according to monotone and equal intervals to realize curve drawing and index marking.
Further, the default index curve is depth or time.
Further, the step 2) includes the following operations:
If the logging file is perforation curve logging data, distinguishing logging stages according to the logging data and calculating an index mapping relation;
and carrying out index marking according to the index relation of the perforation curves.
Further, the step 3) includes the following operations:
When the logging view is drawn, different index types are extracted into different index objects;
when the upper layer drawing is realized, the decoupling of the mapping calculation method of different index objects and the curve drawing is realized by using a unified index data mapping interface.
Compared with the prior art, the invention has the following beneficial effects:
According to the data multi-type index mapping method compatible with perforation coring and cable logging, a modularized and aspect-oriented software design thought is adopted, a data index mapping function is extracted, corresponding relations between indexes and pixels in different index modes are calculated according to characteristics of data, different types of index objects are established, a set of unified index mapping interfaces are provided for an upper-layer visual system, and the visual system can conveniently perform a unified drawing method. The data multi-type index mapping method compatible with perforation coring and cable logging can quickly and simply realize perforation coring and cable logging compatible display and quick switching.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic illustration of a phase division of a perforating coring operation;
FIG. 3 is a graph of the effect of drawing a perforation coring curve;
fig. 4 is a wireline logging graph drawing effect diagram.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the attached drawing figures:
referring to fig. 1, fig. 1 is a flow chart of the present invention, comprising the steps of:
step 1: data file index preprocessing
Index data preprocessing is carried out according to different types of data files, the preprocessing mainly aims at cable logging data and comprises the following operations:
step 101: and carrying out depth and time index data processing according to the storage mode of the data file:
If the data is depth driving data, deleting the reverse direction data according to the logging direction, deleting other logging data at the corresponding position, ensuring that the data stored according to the depth is monotonous, and preventing the error of the subsequent coordinate mapping calculation;
if the data is time driving data, processing the index according to a time increment rule;
Step 102: if a curve is index modified, it has unique time, depth data; if no index modification is made, the curves share common time, depth data.
Step 2: initializing a default index object according to the types of different files, comprising the following steps:
Step 201: if the file is a perforation coring file, the index object establishes what relation according to the operation process in stages, referring to fig. 2, the following two coordinate mapping relations need to be determined in the drawing process: firstly, an index track or a linear track uses a coordinate system; and secondly, a coordinate system used in curve drawing.
The coordinate map of the index or linear track is the coordinate map of "depth" - "screen".
When a coordinate system is established, firstly, all depth data need to be traversed, the data are divided into 4 stages according to the operation process, and the < depth, screen coordinates and frame number > of key points of each stage are recorded;
when the index track and the linear track line are drawn, the mapping relation of each stage is linear, so that when the coordinates are converted, the mapping of the recorded key point coordinates < depth and screen > can be positioned into 4 stages, and then the coordinates are mapped and converted according to the simple linear relation in the stages.
The curve is drawn using the coordinate system: coordinate mapping of "frame number" - "screen";
Since there is multidirectional data in the data depth, the curve is drawn by using a frame index. Similar to the ruled line drawing of the track, the mapping of the key point coordinates < frame number, screen > is first positioned into different stages, and then the conversion from screen to frame number is performed according to the linear relation of each stage.
Step 202: if the index object is the cable logging data file, the index object directly adopts the data processed in the step 1 to carry out coordinate mapping, and the depth or time and the screen coordinates adopt a linear corresponding mode to carry out coordinate mapping conversion.
Step 3: drawing a logging view according to a default index curve, comprising the following steps:
marking index data according to an index marking interval set by a user;
And the drawing object of the logging curve calls a standard interface of the index object to convert index data and screen coordinates, and curve image drawing is carried out.
Referring to fig. 3, fig. 3 is a view of drawing and depth marking for perforation coring using an index object of perforation coring, marking and drawing the depth and ruled lines at various stages in the operation process, and simultaneously realizing drawing of a curve object.
Referring to fig. 4, fig. 4 is a view of cable logging data drawn and marked by depth index according to depth as an index object, and curve data collected in the operation process is drawn and displayed in a depth monotone mode.
Step 4: dynamically switching other index data types, drawing curves and marking indexes, wherein the perforation coring cannot realize dynamic switching due to the particularity of the data at the moment, and comprises the following steps of;
Different data driving modes are selected, namely depth, time and frame number. The invention supports various types of curves as index data, but has three kinds of curves with practical application significance.
Creating a corresponding index object according to index data selected by a user, and realizing mapping conversion of the data and screen coordinates;
logging is performed and index data is marked.
The above is only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the claims of the present invention.

Claims (2)

1. A data multi-type index mapping method compatible with perforation coring and cable logging is characterized by comprising the following steps:
Step 1, preprocessing index data of a data file to obtain data monotonically in depth or time;
step2, creating different index objects according to a default index curve according to the data type of the logging file;
step 3, in the logging view, drawing different logging curves, and marking index data;
Step4, rapidly switching different index curves to realize rapid switching of drawing of different index types of views;
said step 2) comprises the following operations:
if the logging file is cable logging data, reading file header information, and setting a default index curve as a default index curve set by the file header;
Carrying out well logging data index relation calculation according to monotone and equal intervals to realize curve drawing and index marking;
the default index curve is depth or time;
said step 2) comprises the following operations:
If the logging file is perforation curve logging data, distinguishing logging stages according to the logging data, calculating an index mapping relation, and carrying out index marking according to the index relation of the perforation curve;
Specifically, traversing all depth data, dividing the data into 4 stages according to the operation process, and recording the < depth, screen coordinates and frame number > of key points of each stage;
When the index track and the linear track line are drawn, the mapping relation of each stage is linear, so when the coordinates are transformed, the mapping of the recorded key point coordinates < depth and screen coordinates > is positioned into 4 stages, and then the coordinate mapping transformation is carried out according to the simple linear relation in the stages.
2. The method of data multi-type index mapping compatible with perforating coring and wireline logging of claim 1, wherein said step 3) comprises the operations of:
When the logging view is drawn, different index types are extracted into different index objects;
when the upper layer drawing is realized, the decoupling of the mapping calculation method of different index objects and the curve drawing is realized by using a unified index data mapping interface.
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Citations (2)

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Publication number Priority date Publication date Assignee Title
CN104156624A (en) * 2014-08-27 2014-11-19 中国电子科技集团公司第二十二研究所 Method and device for processing time-depth data of well logging device
CN106761709A (en) * 2017-02-04 2017-05-31 郑州青林昊晟石油技术开发有限公司 Store the logging method of correlative flow

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10883346B2 (en) * 2015-12-18 2021-01-05 Schlumberger Technology Corporation Method of performing a perforation using selective stress logging
BR112019004897A2 (en) * 2016-10-11 2019-06-04 Halliburton Energy Services Inc system and method for modeling oil and gas production from a well, and computer readable storage device
CN109581531A (en) * 2018-11-02 2019-04-05 中国石油天然气股份有限公司大港油田分公司 A kind of unconventional oil and gas dessert quantitative evaluation method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104156624A (en) * 2014-08-27 2014-11-19 中国电子科技集团公司第二十二研究所 Method and device for processing time-depth data of well logging device
CN106761709A (en) * 2017-02-04 2017-05-31 郑州青林昊晟石油技术开发有限公司 Store the logging method of correlative flow

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