New Generation Logging Software Platform CIFLog

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New Generation Logging

Software Platform CIFLog

China national Petroleum CorPoration

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1 Introduction 3

2 Characteristic Technologies 5

3 Typical Cases 15

4 Scientific Research Equipment 18

5 Qualification Standards 20

6 Expert Team 22

7 Training Services 25

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enterprise system to realize the integrations of upstream and downstream operations, internal and external trade, production and marketing. CNPC’s business covers six main sectors: oil and gas operations, petroleum engineering service, petroleum engineering construction, petroleum equipment manufacturing, financial services and new energy development. In 2014 CNPC produced 113.67 million tons of crude oil and 95.46 billion cubic meters of natural gas, while crude processing volume reached 150.2 million tons. The total revenue of RMB 2,730 billion with a profit of RMB173.4 billion had been achieved the same year.

persists in regarding technical innovation as a key framework to advance technological progress. To develop its core businesses, focuses will be placed on the solutions of key bottleneck technologies and key proprietary technologies. Thanks to continuously improving of the technical innovation system, optimizing the configuration of technological resources and strengthening the construction of strong talent teams, CNPC’s technological creativity has been considerably upgraded. Consequently, a large number of technologies have been developed independently, with its own intellectual property.

The new generation logging software platform CIFLog is one of representatives for major innovations of CNPC.

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1

InTRoducTIon

CIFLog logging software platform runs across three major operating systems such as Windows, Linux and Unix and completely integrates full-series open hole logging and post-casing logging processing, interpretation and evaluation methods. 7 major application systems have been formed, involving single well interpretation, volcanic rock interpretation,

Carbonatite interpretation, low resistivity clasolite interpretation, water-flooded layer interpretation, production logging interpretation and domestic major equipment matching, processing and interpretation. The platform is one of ten major key units which studied and developed as determined firstly by the special key national oil and gas project.

Main features

●_{Running across operating systems;}

●_{Friendly graphic interface; easy to learn and use;} ●_{Human-computer interaction design; convenient}

and highly effective;

●_{Local and remote uniform data access;} ●_{Complete logging plotting functions;} ●_{Metric system and British system;} ●_{internationalized application;}

●_{Plentiful secondary development languages;} ●_{Plug-in type application and development; strong}

expandability;

●_{High precision open hole logging processing and}

interpretation;

●_{Characteristic production logging processing and}

interpretation;

●_{Supporting a complete set of homemade logging}

equipment;

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Technical architecture

The platform uses open Java language and the latest computer network technology, it is designed integrally, realizes expandable layered system

Date

management Conventional date preprocessing Imaging date processing and evaluationInterpretation

Platform project

management processing and interpretationHorizontal well logging Auxiliary tool

WEB data management(B/S) Secondary development

Data service

Logging item library Logging knowledge library

Document system Result output

Production logging and engineering logging Multi-well comprehensive evaluation Application layer Support layer Data layer

architecture, and can be divided into three layers from bottom to top: data layer, support layer and application layer.

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2

chaRacTERISTIc TEchnologIES

2.1 Comprehensive display of exploration and production logging data (CIFLog—Plot)

Full-function logging plotting: supporting comprehensive display of various data involving exploration logging, production logging, water-flooded layer logging interpretation, etc.

Multiple logging graph output modes: supporting comprehensive typesetting and printing and batch printing of multiple graphs, outputting of multiple formats of graphs as well as outputting of raster files; providing raster file browse tools.

Visual graph head and tail editing: interactive

测测测测测测

logging crossplot and histogram

Editing of graph head and tail comprehensive typesetting and printing of multiple graphs

editing of various graph head and tail information such as forms, pictures and texts; simplifying the making of graph head and tail.

Convenient and flexible plotting of crossplots and histograms: different styles of crossplots and histograms can be plotted; the communication between crossplots and other graphs is realized; support linkage and interactive analysis of multiple logging graphs.

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CIFLog—Facies sedimentary facies analysis tool kit has multiple innovative technologies and functions and greatly expands the depth and extent of imaging logging data application.

Automatic extraction and fine judgment of geologic features of imaging logging data: provide the function of automatic calculation and interactive correction of whole-interval lithology/sedimentary facies based on geologic feature analysis. Can continuously identify the lithology and sedimentary facies distribution of the target interval through a quantitative analysis of the identified geologic features and multi-source similar comparative image discrimination in typical characteristic chart library.

Automatic identification of whole-interval lithology and sedimentary facies: finely extract image features depending upon geologic features; study imaging logging sedimentology using multiple classification models.

Depth—azimuth two-direction imaging—core accurate homing: make analysis of color distribution of core photos after depth homing comprehensively using imaging and core photo information; then carry out calibration of imaging data and finally obtain the image display effect similar to core photos.

automatic extraction and fine judgment of geologic features

automatic identification of whole-interval lithology and sedimentary facies

Imaging—core two-direction

homing high reality borehole wall imaging generation

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New Generation Logging Software Platform CIFLog

CIFLog—FraPor quantitative calculation work package for fracture parameters provides a complete set of quantitative calculation methods for fracture porosity based on simulation well calculation. Their calculation accuracy is greatly improved when compared with that of traditional methods.

Quantitative calculation of imaging logging data: calculate and analyze the parameters such as fracture length, fracture width, fracture density, body porosity, etc.

Mutual comparison of micro-fracture with imaging measurement: mutually compare and verify the actual fracture width data of the really built micro-fracture simulation well with the measurement result from an actual logging tool.

Whole-hole image generation: the whole-hole image generation technology based on mode matching can reasonably fill up the blank area at the polar plate clearance in resistivity imaging and realize automatic pickup and high accuracy quantitative analysis of fracture features.

Micro-fracture and imaging measurement result

Quantitative calculation of fracture parameters

Whole-hole image generation

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Provide ECS logging processing and interpretation methods and can realize lithologic identification of complex reservoirs, calculation of rock mineral component content and continuous calculation of variable-rock matrix parameter.

Lithologic identification technology: foundation and key to reservoir logging interpretation and evaluation. Provide the finest means for lithologic identification of reservoirs in terms of rock components.

Rock multi-mineral component calculation model: accurate calculation of minerals such as pyrite, siderite, feldspar, quartz, gypsum, coal, dolomite, etc.

Continuous variable-matrix calculation of reservoirs: break through the previous concept of quantitative calculation of reservoir parameters, and convert the given matrix parameter value into the value varying with rock component content, thus effectively improving the porosity evaluation accuracy of heterogeneous complex reservoirs.

TaS volcanic lithology identification

calculation result chart of multiple mineral components of reservoir rocks

calculation result chart of variable-matrix parameter porosity

2.4 ECS element capture spectroscopy logging processing and interpretation

(CIFLog—ECS)

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Comprehensively cover mainstream production logging data processing and interpretation methods, including injection profile, production profile, engineering logging, formation parameter, etc.

Universal multi-arm caliper imaging processing: multi-arm caliper imaging logging involves 12-arm, 16-arm, 18-arm, 30-arm, etc., and can integrate multiple caliper logging items; there is a uniform function module for processing and interpretation, thus simplifying operation steps.

Universal multi-arm caliper imaging processing and comprehensive interpretation of simple isotope injection profile: support unlimited undoing and redoing function in interactive processing and interpretation; realize the memorization and traceability of the process of complex curve superposition, contamination correction and thick layer subdivision and interpretation, thus improving data processing and interpretation quality and time efficiency.

Advanced cased hole interpretation methods: including post-casing gas layer evaluation and through-casing resistivity interpretation methods.

universal multi-arm processing and interpretation function

Supporting the superposition function of undoing and redoing

gas layer evaluation and interpretation function

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Accurate division of reservoir thickness: according to the thickness of division standard, divide the reservoir thickness of thick layers, thick layer subdivision layers and thin bad layers and use the division result in geologic reserves calculation and water-flooded layer interpretation. Complete uniform layering of different resolution curves and intelligent reading of each curve value using active method, derivative method and clustering analysis method, thus making curve square wave processing more highly effective and more accurate.

Fine water-flooded layer processing and interpretation: based on the geologic features of continental oilfields with bad thin reservoirs in the late stage with high water cut, realize water-flooded layer processing and interpretation of reservoirs in effective thickness, sandstone thickness and apparent thickness. The geologic parameters can be provided, including waterflooding grade, porosity, effective permeability, original water saturation, current water saturation and shale content.

Convenient and flexible interactive processing of water-flooded layers: provide the function of interactive processing and interpretation of thickness object, square wave object and water-flooded layer interpretation conclusion object; realize water-flooded layer processing and interpretation in combination with expert experience; realize Undo and Redo operation in aspects such as square interaction, thickness interaction, water-flooded layer interaction, water-flooded layer plotting, etc.

储层厚度划分

Thickness interaction processing Reservoir thickness division

Water-flooded layer interpretation and interactive processing

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The NMR logging data processing and interpretation software package uses modular design, includes totally 16 processing modules and is characterized by user-friendly processing interface and convenient and simple operation. Users can select the corresponding processing module and sequence as needed.

nMR processing and interpretation result chart

Shifted spectrum diffusion analysis result chart nMR original spectrum unfolding processing

2.7 NMR logging processing and interpretation (CIFLog—GMMril)

▲ Obtain more accurate echo signals using frequency echo signal superposition technology and phase correction technology;

▲ Higher accuracy rate using the fluid identification technology based on the difference between T1 and T2;

▲ Higher lithologic calculation accuracy based on the optimized quick lithologic identification algorithm;

▲ The multi-control iterative technology has better thick oil analysis and correction effect than a single control technology;

▲ Quick speed and high precision of singular value spectrum unfolding wave based on fractal dimension; good T2 spectrum can also be obtained under low SNR condition.

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Quantitative calculation of reservoir matrix porosity and saturation: porosity and saturation are the foundation and difficulties in logging evaluation. The technical method has broke through the classic logging interpretation volume model, and the integral basic theory and utility model have been creatively proposed for quantitative calculation of matrix porosity and saturation of heterogeneous complex lithology reservoirs.

Quantitative calculation of reservoir fracture porosity: the accurate formula has been firstly proposed for calculating fracture width using imaging logging under simulation well verifiable conditions; the calculation method for volcanic reservoir fracture porosity has been developed and perfected.

2.8 Volcanic reservoir processing and interpretation (CIFLog—Volanics)

Provide integral volcanic reservoir logging evaluation technologies and methods, including volcanic lithology identification, quantitative calculation of volcanic matrix porosity and saturation, quantitative calculation of volcanic fracture porosity and saturation and reservoir fluid property identification method.

Volcanic lithology identification technology: foundation and key to reservoir logging interpretation and evaluation. Provide a 3D space volcanic lithology identification technology, which is the model of integrated application of new logging technologies.

3d space volcanic lithology identification technology

comprehensive processing and interpretation result chart of volcanic reservoirs

Quantitative calculation result chart of reservoir fracture parameters

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Reservoir effectiveness judgment with electrical imaging spectrum pore distribution ratio information: using the proposed innovative three-parameter effectiveness identification technology, deeply tap to the porosity spectrum information obtained from electrical imaging spectrum calculation, quantitatively calculate the mean and variance that can characterize pore spectrum form variation, and organically combine porosity distribution ratio information to jointly realize reservoir effectiveness identification.

Determination method for effective karst weathering crust dolomite reservoirs: the logging sedimentary facies belt interpretation model has been proposed and established for weathering crust dolomite reservoirs; then the relationship between different sedimentary facies belts and effective reservoirs has been determined, and the core concept “reservoir effectiveness identification with the stratigraphic dip calculated using electrical imaging logging data” has been proposed.

Standard reef flat facies logging image determination

comprehensive result chart of carbonatite reservoir effectiveness evaluation

Weathering crust dolomite reservoir logging interpretation model

2.9 Carbonatite logging processing and interpretation (CIFLog—Carbonatite)

Reef flat reservoir identification based on sedimentary facies judgment: standard reef flat facies logging image determination, application of the dynamic reinforcing and comparison technology for the same size of images, modular reef flat facies image library establishment, and determination of the sedimentary position where holes penetrate through reef flat reservoirs.

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2.10 Integrating multiple characteristic processing and interpretation methods

(CIFLog—Equipments)

Based on multi-language integration framework and seamless integration scheme, CIFLog integrates multiple characteristic processing and interpretation methods, supports homemade logging equipment such as EILog06, Leap800, etc., and realizes seamless connection of homemade software and hardware.

MIT array induction processing and interpretation method

McI electrical imaging processing and interpretation method

MPal multipole array acoustic processing and interpretation method

aFIT array induction processing and interpretation method

PaaT phase control acoustic processing and interpretation method

aRI remote detection acoustic processing and interpretation method

CNLC EILog series:

MIT array induction logging MCI electrical imaging logging

MPAL multi-pole array acoustic logging

GWDC Leap800 series: AFIT array induction logging

PAAT phase control acoustic logging BDEC: ARI remote detection acoustic logging

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3

TyPIcal caSES

◆ liaohe oil field

GWDC has integrated characteristic conventional logging optimization methods and processing and interpretation methods involving NMR, imaging, array induction, array acoustic logging, etc. in CIFLog as well as processing and interpretation methods matching with GWDC logging equipment Leap800.

The logging software is characterized by high precision, high integration degree, high adaptability, high matching property, etc. A commissioning ceremony was held grandly in Beijing on Oct. 19, 2012, thus marking comprehensive application of the logging software in domestic and oversea logging business of GWDC.

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◆ daqing oil field

According to the development status quo of Daqing oil field such as high water cut and low fluid production, Daqing Logging Company has developed a cased hole logging interpretation and evaluation plate with distinctive characteristics and plentiful contents based on CIFLog, including totally

Multi-arm caliper

Isotope injection profile

double-source distance coR

Through-casing resistivity

6 subsystems, 19 work packages and 76 modules. Till the end of 2012, the work for software installation and deployment for all 10 testing brigades of Daqing Testing Company had been completed, the application coverage ratio had reached 100%, and the annual data processing quantity had reached to over 10000 wells-times.

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Through data bottom layer expansion, CIFLog has realized full coverage of water-flooded layer logging data of Daqing oilfield, thereby effectively integrating water-flooded layer logging software GeoSpace and forming the water-flooded layer processing and interpretation system with Daqing logging characteristic. The system can not only accurately divide reservoir thickness and finely interpret

water-flooded layer logging data characteristics but also greatly improve the effect of data management, result show, etc. At present, the system has been comprehensively popularized and applied in Daqing drilling and logging companies, and the annual data processing quantity with the system is over 1000 wells-times.

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CIFLog has large logging software development platform, relevant hardware equipment and perfect experiment equipment. CIFLog has two sets of

sym-bolic laboratory systems such as HTHP rock electric-ity and capillary pressure joint measuring system and HTHP NMR measuring system for displacing state.

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CIFLog has advanced computer hardware equipment, including 15 pieces (sets) of workstations and large servers, 4 large plotters, 1 33T disk array and over 50 microcomputers. The logging software

includes self-developed logging interpretation software and also a complete set of large foreign logging software such as Geoframe, Geolog, PetroSite, etc.

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The standards and specifications used during CIFLog platform development cover the enterprise standards and specifications involving petroleum logging, oil field central database, project database, etc. According to the enterprise standards and

specifications, processing and conversion of logging, seismic, drilling, mud logging, analysis data and other datas have been completed, thus providing high quality data specifications for research on integrated logging processing and interpretation.

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Rewarding

Since the date of release, CIFLog logging software platform has obtained national, provincial, ministerial and bureau level science and technology prizes for many times and multiple software copyrights, and an application has been made for multiple patents.

Grade I CNPC science & technology advance prize in 2011

Grade I national energy science and technology advance prize in 2011 Key self-innovative product of CNPC in 2013

Patents

No. Patent name Authorization No. 1 a logging curve data retrieval method and device 201010506077.8 2 a quantitative calculation method for oil and gas saturation of fractured reservoirs 200910087474.3 3 a 3d space volcanic lithology identification method 200910238565.2 4 a reservoir effectiveness identification method based on electrical imaging logging 201010134720.9 5 an identification device for effective karst weathering crust dolomite reservoirs 201110277410.7

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CIFLog logging software platform has been studied and developed under the direction of CNPC RIPED in cooperation with multiple units and colleges and universities such as CNLC, GWDC, Daqing Testing Technology Service Company, Daqing Drilling and Logging Company, China University of Petroleum,

Yangtze University, Southwest Petroleum University, etc.

A particularly excellent science and technology research team has been built and a large number of top professional logging software talents have been trained from R&D of CIFLog.

Li Ning Deputy Director, professor level senior engineer, senior technical expert. He serves as the leader of the special national oil and gas project “Integrated Logging Evaluation Technology, Matching Equipment and Processing and Interpretation Software for Complex Reservoirs”. He has proposed the theoretical model and characterization method fro quantitative calculation of saturation under heterogeneous complex conditions and established an integral fractured reservoir evaluation technology system. He has obtained 2 grade Ⅱ national science and technology advance prizes and 7 provincial and ministerial prizes. 56 papers written by him have been published and he has written and chiefly edited 5 monographs.

Zhan Cancan director, professor level senior engineer, senior technical expert. he is

mainly engaged in the study of complex reservoir logging evaluation meth-ods and technologies and has plentiful research and production experi-ence. he has studied and development china’s low resistivity reservoir log-ging technology system, deepened electrical and nMR loglog-ging application technologies and accumulated plentiful experience in comprehensive log-ging evaluation of complex reservoirs. he has obtained 1 grade Ⅱ national science and technology advance prize and 5 provincial and ministerial sci-ence and technology advance prizes. over 40 papers written by him have been published.

Tel: 010-83598112

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Wang Caizhi Director, senior engineer, senior technical expert of CNPC. He is engaged

mainly in logging interpretation, logging processing method research and software development. As the principal, he has organized the R&D of new generation large logging processing and interpretation platform CIFLog. He has many years of experience in logging processing and interpretation method research, large software development and large project management. He has obtained 3 ministerial prizes and 5 bureau level prizes. Over 10 papers written by him have been published.

Tel: 010-83595328

Email: [email protected]

Li Weizhong Logging software senior engineer. He is mainly engaged in CIFLog software

database development.

Liu Yingming Engineer. He is mainly engaged in CIFLog software development.

Liu Shouji Logging software engineer. She is mainly engaged in CIFLog software development.

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Wu Hongliang Engineer. he is mainly engaged in the analysis of complex reservoir

log-ging data.

Fu Haicheng logging senior engineer. he is mainly engaged in the study of new logging

technologies.

Chai Hua logging software engineer. he is mainly engaged in the analysis of imaging logging data.

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TRaInIng SERvIcES

Since the new generation logging software of CNPC was released in 2011, the members of the project group have performed over 30 times of large scale technical training in oilfield application fields,

Technical exchange in coSl

liaohe oil field training site

universities and other scientific research institutions and solved over 200 relevant technical problems, thus ensuring the application and popularization effect of the software powerfully.

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电话：86-10-59986059/59982528

Email: [email protected]/ [email protected]

Mr. diao Shun/dou hongbo Tel: 86-10-59986059/59982528

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New Generation Logging Software Platform CIFLog