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The AAPG/Datapages Combined Publications Database
Showing 39,488 Results. Searched 200,685 documents.
Long Canyon (Oil), T. 26 S., R. 20 E., SLPM, Grand County, Utah
Kenneth T. Smith
Four Corners Geological Society
... running production casing. It is preferable to drill into the Cane Creek slightly underbalanced. Excessive mud weights, upon initial penetration, appear...
1978
Calculated Compaction States of Thick Abnormally Pressured Shales
Richard S. Bishop
AAPG Bulletin
... gradient with depth. In this zone mud weights must be increased continuously while drilling. After penetrating this transitional zone, however...
1979
Applications of Novel, High Temperature, Water-Based Drilling Fluids on Some of C.P.I.'s Offshore Sumatra Wildcats
S. C. Polnaszek
Indonesian Petroleum Association
... 7800' on. Drilling mud density/ECD were close to formation pressures and zones of drilling underbalanced were indicated by a pressure evaluation log...
1986
Drill Stem Testing: Part 3. Weelsite Methods
Ingrid Borah
AAPG Special Volumes
... the closing tool. Pressure transient analysis done from these gauges. (A) Run in hole, gauge measuring hydrostatic pressure of mud column; (B) initial...
1992
Drilling Cost Reductions in Natuna Sea Drilling: A Case History
Warjanto Saikam, Charles G. Foster
Indonesian Petroleum Association
... and is discussed below. This figure shows a simplified geological section, pore pressure profile, a standard casing design and mud program. Figure 3...
1991
Petrophysical Interpretation of the Northern Pinedale Field, Sublette County, Wyoming
Keith J. Jagiello
AAPG Special Volumes
... stationary pressure measurements (RFT, XPT), DFITs, and mud weight. Mud weights reflect a normally pressured environment above the top of the Lance...
2014
Deep Pore Fluid Pressure Prediction in Challenging Areas, Malay Basin, SE Asia
Stephen O’Connor, Richard Swarbrick, Jamaal Hoesni, Richard Lahann
Indonesian Petroleum Association
... transfer). Conventional porosity-based pore pressure analysis using sonic/seismic velocity and resistivity data as a measure of porosity retention, under...
2011
Reservoir Pressure Mapping from Well-Test Data: An Eagle Ford Example
J. Kalinec, B. S. Hart
GCAGS Transactions
... is perhaps most acute in unconventional plays where ultra-low permeabilities prevent common pressure detection methods (e.g., mud weights) from...
2021
How Oil Wells are Made in the Paradox Basin
R. S. MacAlister Jr.
Utah Geological Association
... is less than hydrostatic and mud weights of 9.2-10.4 lbs./gallon have been found to be satisfactory after setting surface casing. The mud weight...
1958
Workflow for Pore Pressure and Horizontal Stress Field Estimation in Vertical Wells Using Well Data in the X Field in South Sumatra
Mohammad Zulfikar Simatupang, Bonar Tua Halomoan Marbun, Ramadhana Aristya, Niko Pratama Purba
Indonesian Petroleum Association
... fracturing pressure (Pc) is around 1 ppg above the estimated pore pressure. The mud weights used for drilling K-1 were less than the estimated Pc. The RFT...
2013
Investigating Effects of Adding Surfactant to Cement Spacer on Mud Removal Performance and Cement Bond with Formation An Experimental Study
Ahmed GH Mansour, Talal Gamadi, Hossein Emadibaladehi, Otman Algadi, Sarkis Kakadjian
Unconventional Resources Technology Conference (URTEC)
... surfactant) to determine the most suitable surfactant to improve the mud displacement efficiency at high and low mud URTeC 5176 4 weights. Furthermore...
2021
Start to Finish: Optimizing Completions from the Bit to the Perforation Cluster
Stephen Drylie, Carl Merkt, Buddy Woodroof, Tanner Wood
Unconventional Resources Technology Conference (URTEC)
... weight, accounting for friction pressure, is not calculated in this analysis but should be slightly above the actual mud weight. The two curves...
2023
Unsupervised Learning Applied to Hydraulic Flow Unit Identification Based on Wireline Formation Pressure Data; #42260 (2018)
Jose Victor Contreras
Search and Discovery.com
...Unsupervised Learning Applied to Hydraulic Flow Unit Identification Based on Wireline Formation Pressure Data; #42260 (2018) Jose Victor Contreras...
2018
ABSTRACT: Seismic Interpretation and Classification of Mud Volcanoes of the South Caspian Basin, Offshore Azerbaijan; #90013 (2003)
M. Z. Yusifov, P. D. Rabinowitz
Search and Discovery.com
.... Analysis of different parameters from this database shows that there is a high concentration of mud volcanoes at the southern part of the study area...
2003
What is Next for the Mature Sacramento Basin? The West Side Story, A Brief Look into the Lower Cretaceous and Upper Jurassic Rock; #11091 (2018)
Robert Sterling
Search and Discovery.com
... along the structure – All wells found high pressure gas at shallow depths (<2500’) – All of the wells had heavy mud weights due to higher pressured gas...
2018
2-D Basin Modeling of Secondary Petroleum Migration in the Sakala Timur PSC, Indonesia
Alwyn Vear, Duncan Macgregor
Indonesian Petroleum Association
... was achieved, as shown on Figure 8. Subsequent analysis has confirmed the high capillary entry pressure (CEP) of this formation and its importance...
1996
Pressure Seal and Deep Overpressure Modelling in the Barrow Sub-Basin, North West Shelf, Australia
S. He, M. Middleton
Petroleum Exploration Society of Australia (PESA)
... with an increase in mud weights, as well as high sonic transit times and low formation resistivities in fine• grained rocks over depths between 2650-4650 m...
2002
Filtration of Oil Through Carbonate Rocks
A. G. Mileshina, G. I. Safonova
Petroleum Geology: A Digest of Russian Literature
... made at a temperature of 20°C and pressure differentials of 0.2, 0.5, 60, 120, and in some samples 240 and 300 atm. In other words, conditions were...
1965
Phase Behavior of a Retrograde Gas Condensate-Water System Under High Pressure and Temperature Conditions
N. Hasan, S. C. Rastogi, N. R. Nagarajan, Heng-Joo Ng
Indonesian Petroleum Association
... and 600 psig. At each pressure, aqueous phase volumes and vapor phase compositions, volumes, densities and molecular weights were measured. In addition...
1987
Geomechanical Risk Investigation of Geological Sequestration of CO2 in Depleted Reservoirs
Avirup Chatterjee, Ahmadreza Younessi
Indonesian Petroleum Association
... pressure values of the caprock that will cause tensile or shear failure. A fault stability analysis was carried out for the modelled faults and the Tau...
2024
Using mud gas components to quantify hydrocarbon liquid yields for gas zones in the Patchawarra Formation of the Western Flank, Cooper Basin
Christopher Webb, Belinda Wong, Regie Estabillo
Petroleum Exploration Society of Australia (PESA)
... to laboratory-based PVT sample analysis. This has resulted in new quantitative methods that use the mud gas components and their ratios to derive...
2019
Geological Aspects of Abnormal Reservoir Pressures in Gulf Coast Louisiana
George Dickinson
AAPG Bulletin
.... Successful drilling through abnormal pressures involves cementing casing below the main sand series and above the high pressure zones so that heavy mud...
1953
Overpressure Mechanisms in Deep Drilling in Western Offshore India, #41074 (2012)
Rajeev Ranjan Kumar, Dhiresh Govind Rao
Search and Discovery.com
... they are observed in the Daman and Mahuva formations, and in the southern part the high pressure sequence begins in the Mahim Formation. Mud weights...
2012
Oil generation as the dominant overpressure mechanism in the Cenozoic Dongying depression, Bohai Bay Basin, China
Xiaowen Guo, Sheng He, Keyu Liu, Guoqi Song, Xunjun Wang, Zhongsheng Shi
AAPG Bulletin
... in the mudstones to gain insights for pore-pressure prediction. The sonic, resistivity, density, and caliper logs, as well as mud weights and pressure data...
2010
Borehole Stability and Field Stress Analysis with Azimuthal Logging-while-Drilling Technology: A Case History, #41775 (2016).
Saikh A. Azim, Sankar Chowdhuri, Salah Al-Anezi, Anar Abdulkarim, Ahmet Aki, Mohamed Samie
Search and Discovery.com
... instability and ultimate stuck ups and require relatively high mud weights to maintain wellbore stability. LWD azimuthal acoustic technology, free from...
2016