A Guide to ODP Tools for Downhole Measurements

Table of Contents

A. Purposes of This Manual
B. Advance Planning Requirements for Routine ODP Tools
C. Overview of Downhole Measurements Provided by ODP
1. Fluid sampling
2. Formation temperature measurements
3. Permeability measurements using packers
4. Orientation of APC and RCB cores
5. Long-term observatories (CORK)
6. Pressure core sampler (PCS)
D. Compatibility of ODP Tools with ODP Operations and Engineering Systems

II. IN-SITU FLUID SAMPLING

A. Introduction
B. Pore-Fluid Sampling with the WSTP
1. General tool design and preparation
2. Tool deployment
C. Borehole Fluid Sampling with WSTP and Kuster Tools
1. Operational considerations for sampling borehole fluids

III. IN-SITU TEMPERATURE MEASUREMENTS

A. Introduction
B. Temperature Measurements with the WSTP
1. WSTP geometry, structure, and recording capabilities
2. WSTP preparation and deployment
3. WSTP data recovery, processing, and archiving
C. APC Temperature Tool
1. APC tool design and components
2. APC tool preparation and deployment
3. Data retrieval and processing
D. Use of ODP Temperature Tools for Discrete Temperature "Logs"
1. Logging sediment temperatures without coring
2. Logging open-hole temperatures

IV. DRILL-STRING PACKERS

A. Introduction
B. ODP Drill-String Straddle Packer
1. Packer elements
2. Inflation of packer elements using go-devils
3. Temperature limitations of the ODP drill-string packers
4. Compatibility of ODP drill-string packer with logging
5. TAM straddle-packer design
C. Formation Testing Using the Straddle Packer
1. Downhole pressure recorders
2. Pressures measured during formation testing
3. Active formation testing

V. CORE ORIENTATION

A. Introduction
B. APC Orientation
C. RCB Orientation

VI. CORK

A. Introduction
B. Leg 146 CORK Operations
C. Leg 139 Reprint (not available here)

VII. PRESSURE CORE SAMPLER

A. Introduction
B. PCS Technical Description and Deployment Method
1. Latch subassembly
2. Actuator subassembly
3. Accumulator subassembly
4. Manifold subassembly
5. Ball-valve subassembly
6. Detachable sample chamber
C. PCS Operation and Plans for Additional Development

VIII. THIRD-PARTY AND DEVELOPMENTAL TOOLS

A. JOIDES Policy for Third-Party Tool Development
1. Classification of tools
2. Development tools
3. Certified tools
4. Mature tools
5. Protocol for development
B. Examples of Recent Third-Party Tool Developments
1. Borehole-fluid samplers
2. Geoprops
3. Last I and II
4. Flowmeter experiment and logging cable go-devil
5. "Active" fluid sampling
6. Additional developments

IX. REFERENCES

Appendix A. Selected Reprints for ODP Downhole Measurements
Appendix B. Table of Downhole Tool Usage During ODP Legs 101-146

Figure Captions (with links to figures)
Table Captions (with links to tables)

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