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Table of Contents
LEAP-600B Logging Platform ..1
LEAP-600B Heavy-Duty Truck.....4
Downhole Tools Diagram......5
LEAP Express Platform....6
Telemetry and Gamma-Ray Tool (TGR).....7
Temperature Tension Resistivity Tool (TTR)..8
Nuclear Electric Cartridge (NEC).........9
Resistivity Electric Cartridge (REC) ........9
Spectro-Gamma Ray Sonde (SGS)...10Compensated NeutronSonde (CNS).....12Hydraulic Pad-mounted Device (HAS)...14
Combined Logging Probe of LDS/MFS..15
MFS- Micro-Spherically Focused Logging........17
Dual Laterolog Sonde(DLS)..........................................................19
Dual Induction Logging Sonde (DIS).......21
High Resolution Acoustic Sonde(HRAS) ...23
Borehole Directional Sonde (BDS) ....25
Digital Hydraulic X-Y Caliper(XYC) 26
Flexible Joint Sub (FJS) .......................................................26
Digital Long Spacing Acoustic (DLSA)......27
Borehole Compensated Array Sonic (BCAS) .....28
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Digital High Resolution Dip LogDHRD...28
Pipe Conveyance Log (PCL) .....30
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1
LEAP-600B Logging System
Measurement Integrity and Data Quality
The LEAP-600B design is based on this fundamental concept quality in, quality out. Since
measurement integrity is the critical first step in reservoir characterization, the LEAP-600B system
incorporates advances in digital data acquisition and visualization technologies to ensure that you
receive prominent data:
Full recording of all instrument data from raw tool signals to fully processed curves
Optimized instrument operation in combination tool strings through multiple sampling rates for
sensors
Quality control through visual confirmation of all calibration values, verification values, and
measurement tolerances
Real-time quality control of spectral and acoustic services through information displays for raw
and processed data Real-time environmental corrections
Advanced Technology Services
The LEAP-600B system is an advanced data acquisition platform designed to give you the full
benefits of the new-generation downhole instrument. The system outputs both color and
gray-scale plots, and easily incorporates client-defined presentation formats. The LEAP-600B
acquisition system can support all the downhole tools developed by CNLC as well as the tools
from cooperated companies*.The LEAP-600B system offers great flexibility in data handling,
processing, and communications:
Multiple RISC-based CPUs operating at 76 MIPS each
Ability to handle new-generation data-intensive services and multiple service combinations
Direct print log plotting at speeds of up to 4 in./sec for gray-scale or up to 5 in./sec for color
plots
Raw data recording allows the application of future advances in data- processing techniques
to the original raw data
X.25 data communications
Full data communications with built-in security to and from client office locations, geoscience
centers, or other LEAP-600B units
High-definition color monitors for log viewing and data processing utilizing the X-WindowSystem"Motif"' graphic user interface
Removable electronic storage media using industry standard formats:
3'/2-in. floppy disk drive
1.3 Gbyte digital audio tape (DAT)
9-track tape
CD-R
*The LEAP-600B acquisition system supports all CNLCs down-hole tools and the tools produced by other
companies such as HLB, SLB, and Sondex. Down-hole tools and software such as XRMI, WSTT, CAST,
SFT\SFTT produced by other companies are all compatible with the LEAP-600B system.
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Safety for personnel, protection for Data and Equipment
The LEAP-600B system is designed to protect people, equipment, and the data being recorded.
Safety features incorporated into the LEAP-600B system include:
Non-circulatory well exposure minimized through reduced operating time
Well data preserved in case of an emergency shutdown through a certified uninterruptible
power supply (UPS) system
Ballistic operations safety and efficiency improved through a built-in wellhead potential
monitor
Ballistically safe wireless communication system between the units and operators on the rig
floor
Data security during communication through automatic data encryption
Real-Time Data Processing Platform
The LEAP-600B supplies a field version log analysis sofrware package. The field engineer andour client have the ability to process the logging data in real-time at the well site.
Data pre-processing: This is the basic system of the analysis software package; it includes depth
match, environments correction, and other data preparation functions.
Data processing:
This is the main part of the software, It includes Complex reservoir analysis, Sandstone analysis,
Stratagon structural Diplog analysis, MRIL logging data analysis, Acoustic waveform analysis,
Pressure transient analysis, Production logging data analysis
Data Communication
CNLC offers data communication services from the well sites to our Geoscience Centers or client
premises throughout the world, thus facilitating the decision processes associated with oil and gas
exploration and development. If desired, digital data and graphics may be transmitted
simultaneous with other logging operations. Our communications software packages include
compression techniques to reduce transmission time and provide the needed security for system
integrity. The systems can efficiently transport information across traditional dialup (PTT)
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networks, public or private wireless networks including cellular, and a variety of satellite
applications including INMARSAT. Client needs for reliable, secure and unattended data transport
is supported with a wide array of packages. Dial-upoptions include X, Y, and Z Modem, BLAST
and JFT or other open protocols such as X.25. Network and dial access allows interaction with the
World Wide Web on the Internet and has options encompassing solutions that are tailored forWide Area Network(s) (WAN).
Operational Efficiency
The computer technology of the LEAP-600B system, including its multitasking capability, ensures
improved data acquisition and processing:
Multitasking CPUs allow multiple simultaneous operations, including logging, verification, logging
preparation, and data transmission
Improved job flow through easy-to-understand operator interfaces
Flexible playback and change of presentation parameters at the well site, without disrupting job
flow, through the use of multitasking CPUs
System design utilizing high-reliability components, supplemented with card-level diagnostics and
replacement, and CPU redundancy
Verification/calibration of a surface tool string while the current logging string is tripping in/out of
the well
Simultaneous calibration of multiple instruments in the same string
Wireline Telemetry System improvements allow more instrument combinations and faster
logging speeds
Ability to scroll up and down the log during acquisition
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4
LEAP-600B Heavy-Duty Truck
The Heavy-Duty Truck is a full-sized
and full-service logging unit. The unit
is designed to operate in virtually
any oilfield-type environment, such
as tropical, desert, or arctic. The
logging cabin is designed to house a
full LEAP-600B acquisition system
while still providing ample working
and seating room. The unit is built
on a 6x4 or 6x6 chassis.
Benefits and Features
Designed for use in variousenvironments .Can be fully winterized for arctic conditions
Set back front axle to optimize weight distribution and meet DOT regulations when fully loaded
Includes three air conditioners that do not use CFC-12 refrigerant Self-contained for remote
operations.
Hydraulic system powered by main truck engine. Both hoist and generator hydraulically powered.
Storage provided on unit to carry necessary logging tools, R/A sources, and supplies.
Sleeper cab provided. Specially designed tool racks using air bags to cushion instruments while
driving. Air ride rear suspension. Heavy-duty frame and suspension.
Full-service capabilit ies
Contains four full-size instrument racks for the acquisition system
Wired to accept either the LEAP-600 or other acquisition systems
Safe to operate
Contains a Wellhead Potential Meter and RF detector for increased perforating safety
Full drum guards to cover moving parts
Drip pan mounted under drum
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5
Downhole Tools Diagram
TTR
TCT
FJSGRS or SGS
CNS
NEC
HASLDS-MFS
REC
DIS
HRAS
BDS
OTTOM NOSE
BRIDLE
NEC
REC
HRAS
TTR
TCT
GRS or SGS
CNS
LDS-MFS
DLS
BDS
FJS
HAS
TTR:TEMPERATURE TENSION AND RESISTIVITY GRS:GAMMA LOGGING SONDE
SGS:SPSCTRO-GR SONDE NEC:NECLEAR ELECTRIC CARTRIDGE
CNS:COMPENSATED NEUTRON SONDE REC: RESISTIVITY ELECTRIC CARTRIDGE
LDS-MFS:DENSIT
