Collection and Processing of Digitized Acoustic Log Data

R. A. Broding J. L. Poole

CSPG Bulletin

.... Digital punched tape logs from retraced analog recordings as well as digital recordings made by punching tapes directly from the recording galvanometer...

Some Recent Advances in Exploration Geophysical Techniques and Data Processing

Edward F. Zagst, C. L. Robinson

GCAGS Transactions

... range over that provided by the conventional analog equipment. Another advantage of recording on digital tape is that the field data may be fed directly...

A Settling Tube For Sand-size Analysis

Ronald J. Gibbs

Journal of Sedimentary Research (SEPM)

... in digital form on punched paper tape for later automatic computer handling. This data handling system (1973 prices: $3200 ±) requires an analog...

Multichannel Profiles Collected in 1982 in the Tonga Region of the South Pacific

Dennis M. Mann

Circum Pacific Council Publications

... in each section of the streamer. A patch panel is used to combine the 48 sections into 24 channels before the analog data enter the GUS recording system...

Multichannel Seismic Operations for CCOP/SOPAC Cruise, Leg 3, Solomon Islands

D. M. Mann

Circum Pacific Council Publications

... Geological Survey, M e n l o Park, California 94025, U S A EQUIPMENT AND DATA FORMATS 3 capacities. The total v o l u m e o f 1,311 i n (21.48 1...

Seismic Surveying Today and Tomorrow

L. I. Ivanov

Petroleum Geology: A Digest of Russian Literature

...) The product of seismic surveying was first a seismogram, which was used for interpretation. An important improvement was the of tape recording...

Hudson Bay Project, 1965: Aeromagnetic Surveys

P. J. Hood, P. Sawatsky, Margaret E. Bower

Atlantic Geology

... digitally on magnetic tape the total intensity of the earth's magnetic field at two heights. This was accomplished using a *Manuscript Atlantic Geology...

ABSTRACT: Accessible Geo-Artifacts

Thomas Fulton

Petroleum History Institute

... was such that seismic data was being recorded on analog magnetic tape, older technology of recording it on photographic paper was obsolete, and digital recording...

ABSTRACT: The History and Geology of the Fairport Oil Field in Russell and Ellis Counties, Kansas

Ernie Morrison

Petroleum History Institute

... used to locate petroleum resources. The timing was such that seismic data was being recorded on analog magnetic tape, older technology of recording...

Amplitude Recovery of Digitally Recorded Data

Roy O. Lindseth

Pacific Section of AAPG

... magnetic tape and the signal is the reason for the elaborate AGC (Automatic Gain Control) amplifiers which were a characteristic of the analog recording era...

Seafloor Mapping by Microcomputer-Assisted Side-Scan Sonar: Appendix 5-1

D. B. Prior, J. M. Coleman, R. L. Caron, E. G., G. Waltham

AAPG Special Volumes

... in real time or stored on magnetic tape for replay and image enhancement. This system is particularly useful for sea floor mapping, since true-scale...

Seismic Data Acquisition on Land: Part 7. Geophysical Methods

Dale M. Short

AAPG Special Volumes

... of cable systems: analog and telemetry. The analog systems have a pair of wires for each geophone group and several additional pairs of wires for roll...

The Wellsite Computer – An Aid to Log Evaluation and Log Quality Control

Sami O. Ajam, S. E. Blalock, C. F. Vanberg, C. D. Donaghe

Indonesian Petroleum Association

... devices operated as computer peripherals. Output can be made in several formats to allow the log analyst to quickly recognize important formation data...

Structural Geology and Fracture Analysis of Grotto Canyon, Alberta

Search and Discovery.com

... it an important analog for what may be occurring in the foothills of compressional belts around the world. This study analyzed a variety of different features...

Zama--A Geophysical Case History: Case Histories

Hugh Evans

AAPG Special Volumes

... (18 m) deep, with 5-lb (2.25 kg) charges; and 5. A 19-57 analog record filter, with tape AVC and 0 mix. A 36-channel unit was used for two main reasons...

New Exploration Technology for South Texas

Perry O. Roehl , Emil Y. Ostrovsky , Alexander Weinberg

GCAGS Transactions

... and evaluated. Results are totally objective. TF can also employ an analog analysis along with an unbiased assessment of results. An example is presented...

Using 3-D Outcrop Laserscans for Fracture Analysis, by Steve Ahlgren and Jim Holmlund, #40099 (2003).

Search and Discovery.com

Contouring by Machine: A User's Guide

Richard F. Walters

AAPG Bulletin

... operations for approximately $180.00 per hour. Figures 3-5 required approximately 2.5, 3, and 4 minutes, respectively, to generate a tape for offline...

OPSEIS™ Seismic Recording System

H. A. Tims, D. R. Cahill

Indonesian Petroleum Association

... Unit. Magnetic Tape Transport System. All of the CRS instruments operate over a temperature range of 0 to 55 degrees centigrade. In addition...

Q Marine

PESA Staff

Petroleum Exploration Society of Australia (PESA)

... t~ ~ v v ~i~ ~ v t J~ v ij l I I Conventional Field acquisition system Analog sum Field tape Analog group forming Shot record demonstrating...

ABSTRACT: Deepwater Gabon -- Is It an Analog for the Deepwater Gulf of Mexico?

James F. Fox, Reading & Bates Development Co., and Paul R. Ashton, Vanco Energy Co.

AAPG Special Volumes

...ABSTRACT: Deepwater Gabon -- Is It an Analog for the Deepwater Gulf of Mexico? James F. Fox, Reading & Bates Development Co., and Paul R. Ashton...

Abstract: Sapping channels in a glaciofluvial complex: A possible Martian analog?

Amanda Ehler, Grant A. G. Ferguson, Gaywood Matile

Atlantic Geology

...Abstract: Sapping channels in a glaciofluvial complex: A possible Martian analog? Amanda Ehler, Grant A. G. Ferguson, Gaywood Matile atlantic geology...

New Developments in Acoustic Logging

J. Zemanek, D. M. Williams, R. L. Caldwell, C. L. Dennis, F. A. Angona

Indonesian Petroleum Association

... Acoustic Log (SWAL) with axially asymmetric (dipole) sound source and two receivers. Waveforms are digitized and stored on magnetic tape for off-line...

Reduction of the Seismic Data Management Problem by Sign Bit Recording

J'T. O'Brien, W. P. Kamp, G. M. Hoover, G. W. Crosby

Indonesian Petroleum Association

..., the digital magnetic tape. The signal is analog in part of the network and digital in the remainder where full gain recording carries 20 bit word data. A 96...

ABSTRACT: German Oil Production in the Soiviet Caucasus, 1942-43: Mineraloel Kommando (K)

J.G.C.M. Fuller

Petroleum History Institute

... instruments/artifacts used to locate petroleum resources. The timing was such that seismic data was being recorded on analog magnetic tape, older...