Control of Annular Gas Flow and Application in Indonesia

A. De Almeida, W. Hernowo

Indonesian Petroleum Association

..., trapping water that still is undergoing hydration; even when a dispersed slurry can no longer transmit any hydrostatic pressure. Cement now undergoes...

Downhole Geochemical Analysis of Gas Content and Critical Desorption Pressure for Carbonaceous Reservoirs

John Pope, Daniel Buttry, Robert Lamarre, Bret Noecker, Steven MacDonald, Brian LaReau, Patrick Malone, Neil Van Lieu, Daniel Petroski, Matthew Accurso, David Harak, Richard Kutz, Stephen Luker, Raymond Martin

West Texas Geological Society

.... In order to effect dewatering of a simulated coal seam for some cases, the hydrostatic pressure was gradually reduced while the partial pressure...

Thermohaline Pore Water Trends of Southeastern Louisiana: Geologic Applications and Controls on Fluid Movement

Donald J. Marlin , William H. Schramm

GCAGS Transactions

.... Gabriel Field in Ascension and Iberville Parishes, Louisiana than past SP models. Further analyses of temperature, pressure, salinity, and freshwater...

The Proofs of the Carbon-Ratio Theory

William L. Russell

AAPG Bulletin

... that an increase of pressure tends to favor the generation of substances which will relieve the pressure. If the pressure is hydrostatic it will therefore tend...

The Hydrodynamics of the Big Horn Basin: A Study of the Role of Faults (1)

J. D. BREDEHOEFT , K. BELITZ , and S. SHARP-HANSEN

AAPG Bulletin

... as hydrostatic. This condition indicates a high, regional-scale, vertical conductivity for the sediments in the basin. Our hypothesis to explain the high...

Importance of evolving fault seals on petroleum systems: Southern Halten terrace, Norwegian Sea

Karthik Iyer, Daniel W. Schmid, Lars H. Rüpke, Jon Erik Skeie, Frode Karlsen, and Ebbe H. Hartz

AAPG Bulletin

... values and the computed hydrostatic pressure and considering which faults are likely to act as pressure compartment dividers. White lines mark isobars...

Time-lapse FWI prediction of CO2 saturation and pore pressure

Qi Hu, Kristopher Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

...: Example of different pressures with depth. When pore pressure is hydrostatic, we have Pp = ρw gz, INTRODUCTION An important technology supporting...

Theory for Quartz Cementation in Structurally Deformed Sandstones, by R.H. Lander, L.M. Bonnell, S.E. Laubach, R.E. Larese, J. Gale, #90027 (2004)

Search and Discovery.com

Formation of Lithologically Shielded and Lithologically Bounded Pools of Oil and Gas

V. Ye. Leshchenko, A. I. Matviyenko

Petroleum Geology: A Digest of Russian Literature

... to 8 m and is 5 m on the average. Under the hydrostatic conditions an excess of pressure should exist in the upper part of the pool due to differences...

Fluid-Inclusion Temperature Study of Paleozoic Carbonates Llano Uplift, Texas

Leonard M. Young , D. Herman Jackson

GCAGS Transactions

...". If the fluid was under pressure sufficient to prevent boiling at the time of entrapment, a correction for pressure (commonly hydrostatic) must be made...

A Collaborative Study on DFIT Interpretation: Integrating Modeling, Field Data, and Analytical Techniques

Mark McClure, Vidya Bammidi, Craig Cipolla, Dave Cramer, Lucas Martin, Alexei Savitski, Dave Sobernheim, Kate Voller

Unconventional Resources Technology Conference (URTEC)

... well testing involves production or injection of fluid at pressure below the fracture gradient. Pressure data is analyzed to infer permeability, skin...

Stimulation Treatments in the Bakken Formation: Implications for Horizontal Completions*

David D. Cramer

Montana Geological Society

... to the pore pressure gradient. Beyond a critical volume, an increase in treatment size results in sharply diminishing productivity returns...

Fold Development in Zagros Simply Folded Belt, Southwest Iran

S. P. Colman-Sadd

AAPG Bulletin

... tectonic stresses and the downward pressure of the syncline. There is therefore a suitable pressure gradient for the movement of salt from the Lower...

The relation between stratigraphic elements, pressure regime, and hydrocarbons in the Alberta deep basin (with emphasis on select Mesozoic units)

Peter E. Putnam, Grant S. Ward

AAPG Bulletin

..., Brazeau, Edson South) have pressures in excess of hydrostatic pressure. Figure 12. Pressure-elevation graph of select Rock Creek-Niton reservoirs...

Porosity trends in the Skagerrak Formation, Central Graben, United Kingdom Continental Shelf: The role of compaction and pore pressure history

Neil T. Grant, Alexander J. Middleton, and Stuart Archer

AAPG Bulletin

... simply as in which is the depth below seabed, is the overburden pressure gradient derived from integrated density curves (Figure 8), is the water...

Design and Construction of a Compaction Cell for Studying Sediment Diagenesis at Elevated Temperatures and Pressures: RESEARCH METHOD PAPER

Kenneth R. Applin, David W. Houseknecht, Brian D. Hicks

Journal of Sedimentary Research (SEPM)

... and hydrostatic pressures encountered by sediments as they are buried and compacted. A few devices have been constructed by previous researchers studying pressure...

Time-Pressure Correlation to Estimate Dewatering Time for Coalbed Methane Reservoir at Saturated and Undersaturated Condition; #41018 (2012)

I Gde Permana Setiawan, Dinar Citra Indar Hutami, Isna Kamalia Al Hamzany, Hudan Wira Alam, and Sri Konsep Harum Wicaksono

Search and Discovery.com

... significant gas production. Dewatering of the coal seam reduces the hydrostatic pressure of the reservoir, which allows the gas to be desorbed from the coal...

Stress, pore pressure, and dynamically constrained hydrocarbon columns in the South Eugene Island 330 field, northern Gulf of Mexico

Thomas Finkbeiner, Mark Zoback, Peter Flemings, Beth Stump

AAPG Bulletin

... internal hydraulic communication and have the pressure gradient of the fluid phase. The centroid is the depth at which the shale pore pressure (Ppsh...

The Elements of the Oil-Well-Spacing Problem. A Summary of the Factors Influencing the Distance Apart at Which Oil Wells May Be Economically Spaced

Lester C. Uren

AAPG Bulletin

... hydrostatic head, or is this pressure partially reduced by inertia and pore resistance? What is the nature of the hydraulic gradient in the sands within...

Geomechanics Helped to Understand the Underperformance of Fracture Treatments and Optimization for Future Operations

Khalil Rahman, Cahyo Nugroho, Dicky Hilmawan, Sugiri Umar Khiram, Wahyu Syukur

Indonesian Petroleum Association

..., velocity and resistivity log data showed a hydrostatic pore pressure trend up to approximately 1750 m TVDRT, below which the modelled overpressure trend...

A Carbonate Vein in Limestone: NOTES

Matthew H. Nitecki

Journal of Sedimentary Research (SEPM)

.... The hydrostatic pressure is dependent upon the depth of the overburden. The solubility of limestone is greater at higher pressures than at lower pressures...

Recognizing Large SP Anomalies in the Cretaceous Carbonates Along the Balcones System, and How to Interpret Them

John V. Crues, Jr.

South Texas Geological Society Special Publications

... would be. we need to know the differential pressure across the formation face. The hydrostatic pressure can be calculated using the mud weight, which...

“Recognizing Large SP Anomalies in the Cretaceous Carbonates Along the Balcones System, and How to Interpret Them”

John V. Crues, Jr.

Bulletin of South Texas Geological Society

... pressure across the formation face. The hydrostatic pressure can be calculated using the mud weight, which is available on each well log heading...

Tisdale North

D. J. Eckelberg

Wyoming Geological Association

... feet. However, the reservoir pressure is hydrostatic and very low. The Lakota outcrops two miles to the south on the anticlinal crest resulting...

Porosity and carbon dioxide storage capacity of the Maryville–Basal sands section (middle Cambrian), Southern Appalachian Basin, Kentucky

J. Richard Bowersox, Stephen F. Greb, and David C. Harris

Environmental Geosciences (DEG)

... pressure was 2020 psi (13.9 MPa), representing a 0.435 psi/ft (9.8 kPa/m) hydrostatic gradient, which is consistent with other underpressured...