Post-Drill Analysis Of Pore Pressure And Fracture Gradient From Well Logs And Drilling Events – An Integrated Case Study Of A High Pressure Exploratory Well From Panna East, Mumbai Offshore Basin, India

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South Sarepta Field (Smackover Gray Sand) Bossier and Webster Parishes, Louisiana

Luther F. Ellison, Martin Russo

GCAGS Transactions

... and casing a typical 11,500 ft. Gray Sand well requires 70-75 days. Mud weights range as high as 17.0 to 17.2 ppg below intermediate FIGURE 3. [Grey Scale...

Petroleum-Related Honours Projects at the Department of Geology and Geophysics, University of Adelaide, 1998

Richard Hillis

Petroleum Exploration Society of Australia (PESA)

... Australia. This is an area of known overpressure, where mud weights as high as 17.4 MPa/km (0.77 psi/ft) have been used to balance formation pressure...

Finding New Pay in Old Wells in Both Open and Cased Holes; #40677 (2010)

Richard Gartner and Herman Vacca

Search and Discovery.com

... BASE LINE. USE YOUR MUD LOGS. BASIC LOG ANALSYS: THE PARTICAL SIDE OF THINGS OR QUICK LOOK LOG ANALYSIS Required Tools: Basic Calculator Straight...

Feasibility Study of Underbalanced Drilling Fluid Design in Depleted Reservoir: Case Study Field X, Indonesia

Irfan Hariz, Bonar Tua Halomoan Marbun

Indonesian Petroleum Association

... openings are large enough to allow mud to pass through, and when the pressure applied by the mud column exceeds formation pore pressure. The severity...

Drilling Fluid Additive Performs Under Hostile Conditions

P. D. Scott, J. P. Bacho, C. K. Grantham

Indonesian Petroleum Association

... on these pilot tests to determine the degree of gelation. All mud weights had static shear values in the 40-160 lbf/100 ft2 range. Static shears...

Estimation of a Minimum Depth of Burial for a Pennsylvanian Underclay

A. G. Altschaeffl , W. Harrison

Journal of Sedimentary Research (SEPM)

..., Marginal zones of vanished glaciers reconstructed from the preconsolidation-pressure values of overridden silts: Jour. Geology, v. 66, p. 72-95...

Machine Learning Applications for Reservoir Pressure Trend Prediction in Potash Area of Delaware Basin

Olabode Thomas Ajibola, James Sheng, Phillip McElroy, Ebru Ulna

Unconventional Resources Technology Conference (URTEC)

... learning’s Artificial Neural Network (ANN) and Regression model methods were used for this analysis to predict the reservoir pressure for the wells selected...

The Determination of Seal Capacities for Highly Pressured HP/HT Traps: A Best-PracticeŽ Workflow

Stephen O'Connor, Richard Swarbrick, Richard Lahann, Alexander Edwards, David Scott, Sam Green

Indonesian Petroleum Association

..., in the Malay Basin, Malaysia, wells such as Bergading Deep and Sepat Deep-1 encountered high pressure conditions, causing severe mud losses, well kicks...

Drilling Geomechanics Salt Creep Monitoring: How to Optimize Mud Weight in Real Time and Get a Safe Time Window While Drilling, Tripping, Running and Cementing Casing in Salt Formations; #41954 (2016)

Joao Paulo Castagnoli, Cyrille Montesinos, Diego Muñoz

Search and Discovery.com

... and mud properties. Common industry practice is that drillers utilize pre-established tables with recommended mud weights to drill salt sections...

Distribution and Generation of the Overpressure System, Eastern Delaware Basin, Western Texas and Southern New Mexico: Discussion

David L. Cox

AAPG Bulletin

... by the column of mud of a given weight in the well bore at the depth of the gauge, rather than the "true fluid pressure of the formation." Most wells...

Measurement of Independent Variables - Pressure, Time, Temperature, Time-Temperature

Alan P. Byrnes, Michael D. Wilson

Special Publications of SEPM

.... Typically, mud weights are maintained at or above fluid pressure levels to prevent blowouts. The occurrence of sig­ nificant gas kicks, as indicated...

Slim Hole Drilling: A Place in PNG Oil Exploration

Ted Gurney, Howard Thomas Brady

Papua New Guinea (PNG) Petroleum Convention Proceedings

... of barite as a mud weight component as it tends to “spin out” in the annulus. Current mud systems enable mud weights of up to 1.5SG; but in special...

Origin of Overpressure and Pore Pressure Prediction in the Baram Delta Province, Brunei; #40709 (2011)

Mark Tingay, Richard Hillis, Richard Swarbrick, Chris Morley, and Razak Damit

Search and Discovery.com

... in Brunei Interpreted shale diapirs, Brunei Mud Volcano, near Miri, Sarawak Miri Jerudong nticline Seismic image adapted from PGS Bru Pressure (MPa...

PDC Bits and Steerable Downhole Mud Motors Improve Drilling Performance, East Kalimantan

N. Sawolo, W. B. Hatcher

Indonesian Petroleum Association

.... Pressure measurements indicate a pore pressure increase of .2 to .3 ppg equivalent mud weight per 100 vertical ft in this trend. A typical casing...

Relation of Methane Generation to Undercompacted Shales, Shale Diapirs, and Mud Volcanoes

Hollis D. Hedberg

AAPG Bulletin

... of overburden brings about compaction of mud sediments through expulsion under pressure of interstitial pore water. However, at the same time as pressure...

Drilling in the Karst Terrain of Irian Jaya

T. Zarmansyah A., Gregory J. Edelbrock

Indonesian Petroleum Association

.... In Kamakawala, it was found that mud weights on the order of 10.0 to 10.5 PPG were required to prevent sloughing and splintering shale, while pore pressure...

Abnormally High Fluid Pressure: Survey of Some Basic Principles: GEOLOGIC NOTES

William J. Plumley

AAPG Bulletin

...------------------------------ calculated from the density log at this depth Mud weights indicated a fluid pressure gradient of about 0.89 psi/ft (20.1 kPa/m), which gives...

Development of Tight Gas Sand Core Analysis Techniques for the Pinedale Field, Sublette County, Wyoming

John M. Dacy, Paul R. Martin, Robert H. Lee

AAPG Special Volumes

... in the development of the field using a water-based mud system. Results of the core analysis program greatly improved understanding of the field's reservoir...

Geomechanical Modelling, Fracture Permeability Analysis and Fault Stability Assessment for a Fractured Basement Field, Offshore Viet Nam

Adrian White, David Castillo, Sanjay Thakur

Indonesian Petroleum Association

... planning phase include predicting pore pressure, fracture pressure, wellbore stability, minimising the use of excessive mud weights for preventing...

Elemental Analysis as a Tool in Determining Wellbore Stability Issues: Marcellus Shale Play, SW Pennsylvania; #41692 (2015)

Charles Moyer, Milly Wright, Nahysa Martinez

Search and Discovery.com

..., pack off, tight hole and enlarged cuttings can occur while drilling. Drilling techniques, mud pump pressure surges, mud type, weights and additives...

Horizontal Well Drilling in the Kutubu Project, Papua New Guinea

M. S. DeVries, R. D. Parrish, J. L. Ryan

Papua New Guinea (PNG) Petroleum Convention Proceedings

...). The maximum pore pressure expected was 10.8 pounds per gallon equivalent (ppge) in the Juha shale, well below the programmed mud weight...

Challenges Associated with Drilling Hydrostatic/Subhydrostatic Reservoir: Fluid Engineering Aspect, #40744 (2011)

Ajay Kumar, Ratan Singh, V. N. Rai, Dr. Vinod Sharma

Search and Discovery.com

... of ‘mud weight’ and effect of depletion on reservoir rock and its adjacent formation. Mud Weight Selection Selection of mud weight for pressure control...

High-Angle, Shallow Depth Drilling in the South China Sea

Saadon Bin Kairon, D. R. Schroeter

Southeast Asia Petroleum Exploration Society (SEAPEX)

... at high penetration rates and differential pressure sticking due to poor mud properties, 4) difficulties in logging high angle wells where doglegs...

Case Studies Confirm Downhole Sensor Measurements and Verify Sample Quality Using New Non-Invasive Sample Testing Method; #40512 (2010)

Sami Eyuboglu, Mickey Pelletier, Tony van Zuilekom, Marvin Rourke, George Saghiyyah, Witjaksono M. Mulyo, Andre Silva, and Richard Palmer

Search and Discovery.com

... offers an alternative approach to onsite sample analysis where, when the samples are brought to the surface, new non-invasive measurements can be made...