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The AAPG/Datapages Combined Publications Database
Showing 4,248 Results. Searched 200,357 documents.
Chapter 11: Variation of Lithology in the Haynesville Shale Observed with LWD Tools
Barrett R. Summers
AAPG Special Volumes
... a suite of gamma ray, resistivity (EWR), and azimuthal litho-density (ALD) logging-while-drilling (LWD) tools. One objective of this study...
2013
RSS PowerDrive Orbit: Records in Challenging Mahakam Swamp Directional Well
Alvin Ivan Handoko, Rangga Saputra, M. Dahnil Maulana, Timora Wijayanto, Esa Taufik
Indonesian Petroleum Association
... PowerDrive* (RSS PD) X6 is used to drill this section. It uses push-the-bit mechanism with hydraulically activated pads that continuously push against...
2019
Rapid Methods for Assessing Formation Pressures: An Example from the Lower Cretaceous of the Greater Green River Basin
R.A. Levey
Rocky Mountain Association of Geologists
... density, (2) shale bulk density from wireline logs, and (3) drill-stem test readings provide three rapid methods for assessing pore pressure. The pore...
1992
ABSTRACT: APPLICATIONS AND IMPLICATIONS OF HIGH RESOLUTION GRAVITY DATA IN THE BLOCK NC190, MURZUQ BASIN, LIBYA; #90016 (2003)
Jose Joaquin Martin, Ali Bengheit, Didier Wloszczowski
Search and Discovery.com
... to a final estimated uncertainty a bit lower than 0.1 mGal. Gravity has proved its utility in reducing risks in areas poorly covered by seismic. Correlation...
Unknown
Selection of Logging-While-Drilling Measurements for Geosteering of Horizontal Wells in Unconventional Reservoirs
Joseph Gremillion, Mike Flowers, Nicholas Tvrdy, Michael Okoro, Zachary Newnam
Unconventional Resources Technology Conference (URTEC)
... in the Olmos B, Olmos C, and the target window, it was decided to steer with a density imaging tool as well as a near-bit GR imaging tool on the rotary...
2019
Significance of Coring-Induced Fractures in Mesaverde Core, Northwestern Colorado (1)
JOHN C. LORENZ, SHARON J. FINLEY, and NORMAN R. WARPINSKI
AAPG Bulletin
... in these wells by anelastic strain recovery measurements. Coring-induced petal and petal-centerline fractures form just below the advancing core bit...
1990
Drilling Fluid: Part 3. Wellsite Methods
David B. Young
AAPG Special Volumes
... -- Suspend cuttings and weight material -- Transport cuttings and gas to the surface -- Cool and lubricate the bit and drill string -- Add bouyancy...
1992
An Introduction to Geomechanics
Jane Whaley
GEO ExPro Magazine
... be extrapolated to planned wells. Vital for Fracking Operations Unlocking complex shale reservoirs requires significant Downhole acoustic and density...
2019
EB Field: Doubling a Marginal Field's Reserves by Understanding the Application of "Enabling" Technology (Paper P21)
K. Afzan, O. T. Suan, M. Lambert, B. Goodin
Geological Society of Malaysia (GSM)
... mud weight and Equivalent Circulating Density (ECD) for borehole stability and effective cleaning without hydraulically fracturing the unconsolidated...
2012
Definition, Identification, and Measurement of Normal and Abnormal Subsurface Pressures
Donald J. Timko, Lloyd C. Fons, William K. Grittman, Forest B. Rees
Houston Geological Society
... water column's density and temperature. Formation pressure that exceeds the calculated hydrostatic pressure is defined as being abnormal. Formation...
1971
Using Borehole Images for Target-Zone Evaluation in Horizontal Wells
Neil F. Hurley , David R. Thorn , Janine L. Carlson , Sandra L. W. Eichelberger
AAPG Bulletin
..., 1984, A method for estimating subsurface fracture density in core: AAPG Bulletin, v. 68, p. 637-648. Serra, O., 1989, Formation MicroScanner image...
1994
The Development of a Standard Blowout Control Procedure for a Drilling Rig
W. A. Rehm
Indonesian Petroleum Association
... – the System Pressure Loss. How much margin in mud density will be used? Should the drill pipe be worked? What are the surface-to-bit pump strokes...
1975
Characterizing Light versus Bound Hydrocarbon in a Shale Reservoir by Integrating New Two-Dimensional NMR and Advanced Spectroscopy Measurements
Mansoor R. Ali, Vivek Anand, Aria Abubakar, Rahul Grover, Iain Pirie, Orlando Neto
Unconventional Resources Technology Conference (URTEC)
... (g/cm3) URTeC 2457043 15 BIT = Density of bitumen (g/cm3) fl = Average density of formation fluids (g/cm3) K = Density of kerogen (g/cm3) LHC...
2016
A Hand Auger for Boring Recent Sediments: NOTES
James P. Morgan, William G. Mcintire
Journal of Sedimentary Research (SEPM)
...-surface sediments. After considerable experimentation with conventional soils-type augers a modified type of bit has been developed which is very...
1956
Rate of Penetration: Part 3. Wellsite Methods
Scott Boone
AAPG Special Volumes
... of the derrick (see the chapter on "Land Rigs" in Part 3). Kelly height can then be measured and directly related to bit depth. As each foot is drilled...
1992
Low-Resistivity, Low-Contrast Productive Sands
Robert M. BOB Sneider, John T. Kulha
New Orleans Geological Society
... Fluids Drilling Parameters Drilling Rates Bit Types Weight-On-Bit Mud Properties Mud Logs Sample Examination Rock Type vs Show Type Fluid Chemistry...
1993
Density, Porosity, and Grain Density of Samples From Deep Sea Drilling Project Site 222 (LEG 23) in the Arabian Sea
Richard T. Bachman, Edwin L. Hamilton
Journal of Sedimentary Research (SEPM)
...Density, Porosity, and Grain Density of Samples From Deep Sea Drilling Project Site 222 (LEG 23) in the Arabian Sea Richard T. Bachman, Edwin L...
1976
Pattern Recognition in a Digital Age: A Gameboard Approach to Determining Petrophysical Parameters; #40929 (2012)
Daniel A. Krygowski and Robert M. Cluff
Search and Discovery.com
... of the log indicates a bit of an enlarged and rough hole that could be affecting the density measurement. As is often the case, more information...
2012
Evaluation of a Fractured Tight Reservoir in Real-Time: The Importance of Detecting Open Fractures while Drilling with Accurate Mud Flow Measurement; #41632(2015)
Samael Fontenla Alvarez, Gerardo Villacorta Cazuriaga, Oscar Chamon Mealla, Alberto Martocchia
Search and Discovery.com
... texture, tight sandstones show the highest fracture density compared to the laminated interval. In addition to the micro-fractures set, the reservoir...
2015
Fishing Techniques for Drilling Operations
J. Douglas Cearley
Abilene Geological Society
..., is classified as tubular (drill pipe, drill collars, tubing, casing) or miscellaneous (bit cones, small tools, wire line, chain, junk). Industry wide, twenty...
1999
Abstract: Use of Drilling Data to Generate Rock Mechanical and Natural Fracture Property Logs in Horizontal Wells; #90244 (2016)
Mazeda Tahmeen, Geir Hareland
Search and Discovery.com
... data. The D-WOB software calculates effective downhole weight on bit (DWOB) from surface drilling data, drill string information and wellbore survey...
2016
The Photoelectric Index
John H. Doveton
Special Publications of SEPM
... THE PHOTOELECTRIC INDEX Basics The photoelectric index (Pe) is a supplementary measurement by the latest generation of density logging tools, and records...
1994
Chapter 1: Concepts, Technology, Price, and Access Drive Giant Field Discoveries
Robert K. Merrill, Charles A. Sternbach
AAPG Special Volumes
... (sonic logs, density logs) and development of reservoir characterization beginning with Archie’s law in 1941. Our understanding of reservoirs truly...
2017
Abstract: Drilling Induced Core Fractures and Crustal Stress; #90172 (2014)
Lei Zhang, Claire A. Currie, Douglas R. Schmitt
Search and Discovery.com
..., Cook and Zimmerman 2007), high density numerical solutions need to be obtained to accurately show the stress variations. Considering of the regularity...
2014
Chapter Eight: Understanding Coring Operations for Shale Gas Exploration
M. Anna Ilhan
Rocky Mountain Association of Geologists
... al., 1998). Therefore, it is important to apply the appropriate coring method and core bit to optimize core quality and core recovery. Coring...
2008