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CNPC > Products & Services > Petroleum Equipment > LEAP?800 Well Logging System
LEAP?800 Well Logging System

blob:http%3A//10The Logging Express Acquisition Platform(LEAP?800)can quickly and accurately receive and transmit formation data and deliver enhanced formation images and data processing service. It includes surface hardware, high speed Welllink telemetry, and WellNet bus system, high resolution imaging downhole tools and data remote communication system.

The system has following features:

  • Multi-platform compatibility
  • More reliable performance for less downtime
  • Higher resolution and more accurate imaging data
  • Higher speed telemetry and bus system
  • Remote data communication
  • Compact multi-task system
  • Real time data processing platform
  • Optional portable data acquisition system

Surface Equipment
Surface hardware includes central surface PC, power system, perforation and coring panel, and peripheral devices. Its functions can support data acquisition using downhole tools and remote communication between well sites and a company's headquarters or regional operation bases. The heavy-duty logging truck is a full-sized and full-service logging unit. The unit is designed to operate in virtually any oilfield-type environment, ranging from the tropic to the desert and even the artic. The logging cabin is designed to house a full logging acquisition system while still providing ample working and seating room for its operators.

WellScope Acquisition Software
WellScope is CNPC's newest 微软 Windows-based well logging software platform. With the exception of conventional logging acquisition functions, such as data calibration, data pre-processing, the software is built with remote data transmission capability. It supports open and cased-hole and production logging, perforation and coring, and formation test services.

Telemetry and Bus System
The high speed Welllink telemetry system consists of surface and downhole modems and logging wireline. It is a full duplex communication system and provides a real-time data communication link between the surface system and downhole tools.Its Uplink Data Rate reaches 1000 KBPS

  • Downlink Data Rate: 50 KBPS
  • Bit Error Rate: 1.0 X 10-6(1Bpm)

WellNet Bus protocol between surface logging computer and downhole tools is TCP/IP. All surface computers, peripheral devices, and downhole tools form a local network, which provides unique advantages over the conventional bus system. This local network design lets the system complete remote tool diagnosis, dynamic IP assignment, automatic tool positioning, and direct tool access. The advanced Modularization innovation greatly improves efficiency. The Bus Data Rate is up to 3 MBPS.

Downhole Tools
sssaasaxThe LEAP?800 high resolution downhole logging tools include the Compensated Nuclear, Litho-Density, Dual-lateral Resistivity, Microspherical Focused Resistivity, Array Induction, Phase Array Acoustic, Nuclear Magnetic Resonance, Micro-formation Resistivity Image, Ultra-Sonic Scanner, and other auxiliary tools. The latter include GR, SP, inclination, caliper, and mud resistivity tools. The system can also be used for conventional open and cased hole logging, perforation and coring, and formation test tools.

With the help of LEAP-NET?, real time field data acquired by LEAP?800 can be transferred to the central control center in Beijing and other data centers around the world. As a result, several different sites involved in the same project are able to quickly and safely information quickly and safely and work in a more collaborative manner. Expert technicians based in corporate or base offices can operate or control the remote field operation system.

LEAP?800 technology represents a revolutionary redesign of wellline logging, production logging, perforation and coring. Generic modularization and flexible network design provides a full quality-assured process leading to continual increases in technical innovation. This initiative stands for a leading industry standard over conventional oilfield technology services.

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