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The AAPG/Datapages Combined Publications Database
Showing 4,255 Results. Searched 200,621 documents.
Stress, Fracture, and Fluid-flow Analysis Using Acoustic and Electrical Image Logs in Hot Fractured Granites of the Coso Geothermal Field, California, U.S.A.
Nicholas C. Davatzes, Stephen H. Hickman
AAPG Special Volumes
... of the borehole wall and acoustic impedance contrasts caused by increased microcrack density or hydrothermally altered fault rock. Thus, they reveal rock fabric...
2010
Ultrasonic Investigation of the Kuala Lumpur Granite, Peninsular Malaysia
Ng Tham Fatt
Geological Society of Malaysia (GSM)
... the ultrasonic velocities and physical properties (grain size, density and porosity) is briefly discussed. The ultrasonic velocities are also correlated...
1992
Lithofacies Mapping of Viola Limestone in South-Central Kansas, Based on Wireline Logs
E. Bornemann , J. H. Doveton
AAPG Bulletin
...) Estimation of mineral compositions and pore volumes from wireline logging combinations (primarily gamma ray, neutron, density, and sonic) has been widely...
1983
Domain Based Geologic Modeling of a Fractured Granite Reservoir
Joel J.Guttormsen, James M. Wade, Rita Achita
Indonesian Petroleum Association
... of lost circulation and catastrophic bit drop. The bounding features typically represent less than 10% of the fracture population. These have long...
2008
Case Studies - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archies Series No. 2
Hezhu Yin
AAPG Special Volumes
... or SFL curve for wells with water-base mud, whereas for oil-based mud wells, the sonic (∆t) curve or bulk density (RHOB) curves were used. These curves...
2011
Where in the World Will We Get Our Oil in the 1980’s?
L. F. Ivanhoe
Pacific Section of AAPG
... factor will limit contributions of present exploration to immediate supply problems. But every bit helps. The world will have to live off its known...
1980
Optimizing Microproppant Placement using Available Drilling Data - A Case History
Terry Palisch, Koras Shah, Wadhah Al-Tailji
Unconventional Resources Technology Conference (URTEC)
... mesh sand, and also included a 40/70 325 mesh Microproppant 4000 low density ceramic tail-in (Table 1). A ceramic 100 Mesh Sand 144,000 165,000 tail...
2020
Courses of Drill Holes
Martin Van Couvering
AAPG Bulletin
... to the drilling bit and the disposition of the bit to follow down the dip of the strata. As a result, wells drilled in good locations at the surface...
1929
Field Study of Application and Results of Sodium Silicate Treatments in Combating Lost Circulation in Geothermal Wells
Zainal Ilmie B., Tanda Tampubolon, Suroso, Udin Daryono
Indonesian Petroleum Association
... to the drilling fluid and circulated out. If losses still continue then the drill bit is pulled out of the hole (POOH), bentonite balls with akar wangi...
1993
Factors controlling shale microstructure and porosity: A case study on upper Visean Rudov beds from the Ukrainian Dneiper–Donets Basin
D. Misch, J. Klaver, D. Gross, V. Mayer-Kiener, F. Mendez-Martin, J. Schmatz, and R. F. Sachsenhofer
AAPG Bulletin
...) a BSE detector for imaging the density differences indicating the different mineral and organic matter grains, and (3) an EDX detector...
2018
Horizontal Drilling Helps Recovery Rates - Workshop Summary
Paul Gerlach, William B. Harrison, John P. Vozniak
PTTC
... to as short-, medium-, and largeradius wells depending on build rate. Short-radius wells have a radius of curvature between 20 to 60 ft, a bit size...
1997
Horizontal Drilling Applications for Kansas - Workshop Summary
Paul Gerlach, William B. Harrison, John P. Vozniak
PTTC
... and referred to as short-, medium-, and largeradius wells depending on build rate. Short-radius wells have a radius of curvature between 20 to 60 ft, a bit...
1998
Drilling Time Data in Rotary Practice
T. C. Hiestand, P. B. Nichols
Tulsa Geological Society
... been charted where the weight and rotary speed of the bit were controlled. The variations of the mud viscosity have been correlated with formation...
1939
Application of Air and Gas Drilling in the Southeast Uinta Basin and Surrounding Areas
E. E. Loman
Utah Geological Association
... drilling is the entry of moisture or water into the hole from beds that have been penetrated by the bit. Water entry does not require the conversion...
1964
Use of Caliper Log Data in Subdivision of Carbonate Sediments1
V. N. Dakhnov
Petroleum Geology: A Digest of Russian Literature
... of the drill bit which drilled the well (in Fig. 1a). This is characteristic generally of dense, strongly silicified, and metamorphosed limestones...
1963
Microsampling Technique for Stable Isotopic Analyses of Carbonates: METHOD PAPER
Dennis Prezbindowski
Journal of Sedimentary Research (SEPM)
... speed of the bur or bit is controlled by a SCR variable speed co trol (from 200 to 2000 RPM). A three-jaw chuck is mounted on the spindle and a collet...
1980
DrillEdge: Application of Case-Base Reasoning; #70098 (2011)
Timothy J. Sheehy
Search and Discovery.com
... Situations 11 TM Components of any case Drilling Fluid Mud Weight: Type: pV: Yp: Well Geometry Section start: Target depth: Bit Type: BHA 4280...
2011
Quantitative Image Analysis For Geologic Core Description
Roger J. Barnaby
Journal of Sedimentary Research (SEPM)
.... Advances in high-performance Windows PC tablets (8–16 GB RAM, 64 bit, i7 processors, solid-state hard drives) and WellCAD and ImageJ software provide...
2017
Extended Abstract: Lessons Learned: How to Produce More Hydrocarbons from Blowout Wells
Xueqing Tang, Lirong Dou, Ruifeng Wang
Africa Energy and Technology Conference, 2016
... barrels. Drilling was stopped and the bit was pulled back 370 ft. The bit had entered a gas pool, causing the well to blow out. The operator organized two...
2016
Real-Time Applications for Geological Operations: Repeatable AI Use Cases
Alfio Malossi, Davide Baldini, Federica Ferrari, Arcangelo Di Palo, Ada Crottini, Chiara Marini, Cesare Ursini
Unconventional Resources Technology Conference (URTEC)
..., resistivity, gas and drilling parameters, while the complete model contains neutron and density logs too. The operational geologists can also correct...
2021
Niobrara Horizontal Well Planning and Execution: The Other Half of the Equation
Jack Wiener, Mohamed Elfedawy
Unconventional Resources Technology Conference (URTEC)
... is at all times to help ensure the bit remains in the target zone for thousands of feet, especially when drilling extended-reach wells. Additionally...
2013
The Use of Seismic Refraction Method in Slope Failure Investigation
Khairul Anuar Mohd. Nayan, Rahman Yaccup, Abd. Rahim Samsudin, Umar Hamzah, Abd. Ghani Rafek
Geological Society of Malaysia (GSM)
... material are in general lower in terms of shear strength, rigidity, bulk density and porosity as compared to the original ground. As such, both...
1997
Extended Reach Drilling from Platform Irene a Case Study of Well A-21
John. L. Hood III
Pacific Section of AAPG
... to obtain desired weight on bit. While drilling the 12″ hole section at 9152′ TMD, washouts began occurring in the new 5″ drillpipe tube bodies...
1992
More Efficient and Cost Effective Ways of Evaluating and High Grading Unconventional Plays
Janell Edman, Eve Sprunt, Jane Newman
Unconventional Resources Technology Conference (URTEC)
... ‘sweet spots’ ahead of the drill bit.” In this context, “sweet spots” is a term for target locations or areas within a play or reservoir that represent...
2014
HPHT Horizontal Multistage Completion Operations Planning and Execution
Jubran Mohammed, Kenechukwu Ufondu, Ramon Rodriguez Rico, Kurt Keam
Unconventional Resources Technology Conference (URTEC)
... that would deliver the maximum pressure capability. Hole conditioning was performed using a BHA that consisted of bit (jets removed), bit sub, 1 joint...
2019