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

Ming Luo , Mark R. Baker , David V. LeMone

AAPG Bulletin

..., but are expected to be constant within a given basin. An average hydrostatic pressure gradient in the study area is 0.0103 MPa/m, which is calculated...

Abstract: Pressure Trends in Lower Viosca Knoll and Mississippi Canyon, Gulf of Mexico Deep Water: Implications for Seals, Column Heights and Hydrocarbon Migration

Bruce E. Wagner

Houston Geological Society Bulletin

... consistent patterns in the rates of increase of both pore pressure and fracture gradient with increasing depth. Several conclusions may be drawn from...

Preservation of lateral pressure disequilibrium during the uplift of shale reservoirs

Xinyu Xia, Eric Michael, and Yongli Gao

AAPG Bulletin

... to the existence of a positive excess pressure (pore pressure minus the hydrostatic pressure) or a pressure gradient larger than the hydrostatic pressure gradient...

Hydrodynamic Entrapment of Oil and Gas in Bisti Field, San Juan County, New Mexico

Robert P. McNeal

AAPG Bulletin

... are in most places less than 22 pounds per square inch. The capillary pressure of the column of oil under hydrostatic conditions should be sufficient...

Clays with Abnormal Interstitial Fluid Pressures

Richard E. Chapman

AAPG Bulletin

... of the rocks, or the rate at which the fluid can be dispersed through them. Normal hydrostatic gradient: If the potential for fluid dispersal exceeds...

3D Pore Pressure Prediction Model in Bentu Block … Central Sumatra Basin; #41105 (2012)

Wawan A. Behaki, Aldyth Sukapradja, Ronald C. Siregar, Radig Wisnu Y, Setiabundi Djaelani, and Benny A. Sjafwan

Search and Discovery.com

... was hydrostatic (norm). The form of the Eaton equation is: Pp = Sv – (Sv – Pn) (Aobs/Anorm)^X Where Pp is the pore pressure; Sv is the total vertical stress...

Variations in Saturation Pressure in Oil Pools of the Ural-Volga Area and West Turkmenia

V. S. Melik-Pashayev, V. N. Seregina, V. V. Vlasenko

Petroleum Geology: A Digest of Russian Literature

... the hydrostatic pressure. See Fig. 3. Figure 3. Relationship of formation pressure, hydrostatic pressure, and saturation pressure in fields of West Turkmenia...

Effect of Differential Stress on Strontium Partitioning in Calcite

John D. Humphrey , Roy P. Howell

Journal of Sedimentary Research (SEPM)

.... Experiments investigated partitioning behavior under conditions of purely hydrostatic fluid pressure surrounding growing calcite crystals. Changes...

Overpressure and Hydrocarbon Accumulations in Tertiary Strata, Gulf Coast of Louisiana; #41000 (2012)

Philip H. Nelson

Search and Discovery.com

...); pressure data taken from IHS Energy Group (2006). Depths of tops of geologic formations are approximate. Pressure gradient lines range from hydrostatic...

Reliability of Saturation-Pressure Method for Dating Time of Oil Accumulation

M. E. Hoshkiw

AAPG Bulletin

... to as the "hydrostatic gradient." Hydrodynamic pressure acts laterally along the bedding from higher to lower potentials. The rate of change...

Naturally Underpressured Reservoirs: Applying the Compartment Concept to the Safe Disposal of Liquid Waste

Jim Puckette and Zuhair Al-Shaieb

Fort Worth Geological Society

... hydrostatic gradient is the pressure generated by an essentially static column of water that extends from reservoir depth to the surface...

Naturally Underpressured Reservoirs: Applying the Compartment Concept to the Safe Disposal of Liquid Waste, by Jim Puckette and Zuhair Al-Shaieb, #40071 (2003).

Search and Discovery.com

Geopressure Compartmentalization in Keathley Canyon, Deep Water, Gulf of Mexico, by S. S. Shaker; #90901 (2001)

Search and Discovery.com

Physical Properties

Jeffrey S. Hanor

Special Publications of SEPM

... Pa. Obviously, one bar = 0 1 MPa. . We will use without apology a variety of pressure units here. 6.2.2 Hydrostatic Pressure Both lithostatic...

The Effect of Gravity on the Shape and Direction of Vertical Hydraulic Fractures

Saeed Salimzadeh

Australian Petroleum Production & Exploration Association (APPEA) Journal

... (GPa) 3 Proppant density (kg/m ) Case I: hydrostatic pressure without proppant 10 kPa/m, equal to hydrostatic pressure gradient (the gravitational...

Pore Pressure Modeling - How to Overcome HPHT Challenges (Paper B12)

S. Bordoloi, A. Ghosh

Geological Society of Malaysia (GSM)

... gradient modeling. Integration of predrill pore pressure estimation with geological understanding is the key to avoid possible drilling surprises or plan...

Understanding Pressure Compartmentalization in Ultra-Deepwater Drilling Off Mexican Gulf Coast: A Case Study, #41361 (2014).

Leonardo Enrique Aguilera Gomez, Francisco Espitia Hernandez, Devendra Kumar, et al.

Search and Discovery.com

... above Miocene are hydrostatic in nature and pressure gradually increases in middle Miocene where pressure gradient has been observed to build up...

Integrated Analysis of Abnormal Pressures in Source Rocks: Theory and Implications for Jurassic Unconventional Resource Exploration in Saudi Arabia

Mohammed Al Duhailan, Mohammed Boudjatit, Nai-Shyong Yeh, Ivan Leyva Clay Kurison, Angelica Rios Alvarez, Yasser Ghamdi, Saad Shehri

Unconventional Resources Technology Conference (URTEC)

... collected across different aquifers. A gradient of 0.47 psi/ft was determined and used to calculate hydrostatic pressure. The compressional slowness...

Development of Abnormal and Subnormal Pressures in Reservoirs Containing Bacterially Generated Gas

Colin Barker

AAPG Bulletin

... in hydrostatic pressure and because the gas dissolves in the water. When the gas-bearing volume is freely connected to surrounding, normally pressured...

The Effect of Unconformities and Subsequent Loading on Pore Pressure Profiles

Jakob Heller, Stephen O 'Connor, Andrew Emery, Ed Hoskin, Jack Lee, Chris Ward

Indonesian Petroleum Association

... such as the Middle Miocene Unconformity (MMU). These pressure profiles are parallel to the regional hydrostatic gradient, although still overpressured...

Optimizing Success Ratio of Formation Pressure Measurement by Measuring Pressure while Drilling at RR-015 Well, Bunyu Field, North Kalimantan, Indonesia

Reza Rahadian, Adhitya Pratama Lanadito, Fannopo Rikardo, Zeppy Irwanzah Budiarto

Indonesian Petroleum Association

... plot that did not follow the normal hydrostatic gradient. This technology has been proven to measure formation pressure succesfully in a thinly...

Importance of Understanding Geology in Overpressure Prediction: the Example of the East Java Basin

Agus M. Ramdhan, Fahmi Hakim, Lambok M. Hutasoit, Neil R. Goulty, Wuryadi Sadirsan, Maikel Arifin, Fatrial Bahesti, Kharisma Endarmoyo, Rully Firmansyah, Risdi M. Zainal, Meyman Y. Gulo, Sihman M, Purwo Hadi Suseno, Agus H. Purwanto

Indonesian Petroleum Association

.... Areas where the basement is relatively shallow or the carbonate build-up is relatively thick are usually characterized by low to hydrostatic pressure...

Geologically Based Pore Pressure Modeling: Reconciling Pressure vs. Depth Plots with Mud Weight Equivalent vs. Depth Plots

S. Shaker

Houston Geological Society Bulletin

... the gas or oil gradient which, in turn, is a function of the fluid density of the hydrocarbon column. Shifts in pressure gradient between two different...

Production and Pressure Characteristics of Gas Reservoirs, Veracruz Basin, Mexico

Holtz, Mark H., Garcia, Javier, Sakurai, Shinichi, Wawrzyniec, Timothy F., Jennette, David C., Bolanos, Juan Jose

GCAGS Transactions

... pressured gas prospect or reservoir could be estimated by applying the hydrostatic pressure gradient at the spill-point depth. It works as long...

Patterns of Dynamic Pressure Increment of Formation-Fluid Flow in Large Drainage Basins, Exemplified by the Red Earth Region, Alberta, Canada

Jozsef Toth

CSPG Bulletin

... in the recharge area where topographic elevations are relatively high; e.g., at site i = 2; hydrostatic pressure gradient is associated with the midline region, i...