A geologic deconstruction of one of the world's largest natural accumulations of CO2, Moxa arch, southwestern Wyoming

Thomas P. Becker, Ranie Lynds

AAPG Bulletin

... hydrostatic gradient (Figure 10). An extension of the pressure gradients in both the gas and water leg yields an intercept at 9678 ft (2950 m) subsea...

Application of Scaled Hydrocarbon Head Potential to Permian, Anadarko Basins and Eagle Ford for Better Resource Assessment and Development, #11212 (2019).

Carlos Varady, John Pantano,

Search and Discovery.com

... 𝒃𝒐𝒆 ∆𝑃𝑜𝑣𝑒𝑟 × 𝑪 = 𝑺𝑯𝑪𝑯𝑷 = 𝒅 ∆𝑃 𝐺 𝐻𝐶 × 100 3000 0 𝑰𝑷 𝑩𝑶𝑬 0.73-0.9 2000 Pressure and Gradient difference taken with respect to hydrostatic 0.6-0.73 1000...

Is Geologic Distillation of Petroleum Possible?

William L. Russell

AAPG Bulletin

..., or hydrostatic pressure on the fluid contents of the porous strata, increases at a rate of 0.40 pounds per foot of depth, this being fairly close...

Fluid-Release Mechanisms in Compacting Marine Mudrocks and Their Importance in Oil Exploration

Maurice C. Powers

AAPG Bulletin

... do not exceed that allowed by an increase determined by the normal hydrostatic pressure gradient. It is evident from Figure 7 that all but three points...

Pinedale Anticline and Jonah Fields, Sublette County, Wyoming: A Geologic Discussion and Comparison

Dean P. DuBois

AAPG Special Volumes

... is there a distinct top seal. The unusual pressure gradient exhibited by these two areas indicates that the mudstones intercalated with the reservoir...

The Challenge of Pore Pressure Prediction in Indonesias Warm Neogene Basins

Agus M. Ramdhan, Neil R. Goulty, Lambok M. Hutasoit

Indonesian Petroleum Association

... overpressured zones may cause an increase of overpressure in other regions that previously had lower overpressure or normal hydrostatic pressure...

Comprehensive Probabilistic Pressure Prediction for Water Management in the Permian Basin

Mike McGarvey, Dylan Vennes, Chung-Kan Huang, Nuny Rincones, Hui Zhou, Qin Lu, Michael Burkard, Ana-Paula Maynard, Luis Baez

Unconventional Resources Technology Conference (URTEC)

... the WHP to the hydrostatic pressure and subtracting the friction pressure. Friction pressure is calculated according to the equations in “Multiphase Flow...

Fluid Flow, Water Chemistry, Gas Chemistry and Diagenesis in the Subsurface Triassic in Alberta and British Columbia

Dirk Kirste, Steven Desrocher, Brad Spence, Bill Hoyne, Brian Tsang, Ian Hutcheon

CSPG Bulletin

... at pressures greater than this line are overpressured relative to the saline hydrostatic pressure gradient. These areas may be in hydraulic continuity...

The Distribution of Underground Salt Water and Its Relation to the Accumulation of Oil and Gas

Roswell H. Johnson

AAPG Bulletin

... liquid or gas, but usually have their liquid or gas at higher than hydrostatic pressure. This last statement is based partly on the fact...

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...

AAPG/Datapages Discovery Series No. 7: Multidimensional Basin Modeling, Chapter 9: Determination of the Timing of Petroleum System Events Using Petroleum Geochemical, Fluid Inclusion, and PVT Data: An Example from the Rind Discovery and Froy Field, Norwegian North Sea

Bhullar, A.G., Rolando di Primio, Dag A. Karlsen, Daniel-Pierre Gustin

AAPG Special Volumes

... these values to hydrostatic (assuming a water density of 1.03 g/cm3) and lithostatic pressure gradients (rock density of 2.6 g/cm3). For the Fry...

Hydraulic fracture characterization by integrating multidisciplinary data from the Hydraulic Fracturing Test Site 2 (HFTS-2)

Zhishuai Zhang, James DiSiena, Dimitri Bevc, Ivan Lim Chen Ning, Yunhui Tan, Laura Swafford, Mike Craven, Kelly Hughes, Andrea Vissotski

Unconventional Resources Technology Conference (URTEC)

... upward) than the hydrostatic pressure gradient above the depth marked by the yellow dashed line in Figure 9a and Figure 11. This low-pressure shallow...

Obscure Nature of Petroleum Migration and Entrapment

John C. Cartmill

AAPG Bulletin

... of a hydrostatic gradient (about 0.465 × depth). The P2 pressure lies on the bubble point curve for an amorphous petroleum system. At P2 the system has...

Carbon dioxide sealing capacity: Textural or compositional controls? A case study from the Oklahoma Panhandle*

Constantin Cranganu and Hamid Soleymani

Environmental Geosciences (DEG)

... as a function of the reservoir pressure and temperature. To calculate density of using equation 4, one needs to determine the hydrostatic pressure...

Additional Applications on Determining Optimal Lateral Lengths and Trajectories on University Lands Delaware Basin

Yogashri U. Pradhan, Hongjie Xiong

Unconventional Resources Technology Conference (URTEC)

... as a reference. Then the group subtracted the hydrostatic and significant frictional pressure losses to get an accurate estimate of the pressures...

Bisti Carson Unit Gallup (Oil), T. 25 N., R. 11-12 W., NMPM San Juan County, New Mexico

Carl O. Collins

Four Corners Geological Society

... (normal hydrostatic gradient would yield a pressure of approximately 2,140 psi). In December, 1958, the unit reached peak production and then began...

Abstract: Underbalanced Drilling - Globally Practiced, by D. Hannegan; #90911 (2000)

Search and Discovery.com

Abstract: Pressure Prediction in the Shallow Ursa Basin: Deepwater Gulf of Mexico, by Peter B. Flemings and Hui Long; #90085 (2008)

Search and Discovery.com

ABSTRACT: Underpressured Gas Accumulations with Pressure Control at the Outcrop; #90108 (2010)

Philip H. Nelson

Search and Discovery.com

... pressure to depth is less than hydrostatic, are found in areas that have undergone extensive uplift and erosion. Hydrologic conditions can produce...

Lost Circulation Challenges Drilling Thick Carbonate Gas Reservoir, Natuna D–Alpha Block

J. M. Davis

Indonesian Petroleum Association

... column in the reservoir presents a pore pressure profile which ranges from abnormally high in the top, down to a fresh water gradient in the bottom...

Solvent Injection As The Method To Mitigate Paraffin Problem: A Case Study On Well JŽ Sumatera

Fida Kathartika, Laurensius Raymond Sanjaya, Zuhri Firdaus AH

Indonesian Petroleum Association

... and Damage Identification. APPENDIX Solvent Injection Planning Data Porosity (ϕ) Formation frac gradient (Gf:) Diesel hydrostatic gradient (Gdiesel) Depth Mid...

Theoretical Considerations of Sealing and Non-Sealing Faults

Derrell A. Smith

AAPG Bulletin

...) into equation (3) and solving for z: EQUATION (4) Fig. 1. Capillary pressure in a hypothetical oil reservoir under hydrostatic conditions. End_Page 365...

Chemical Kinetic Model of Hydrocarbon Generation, Expulsion, and Destruction Applied to the Maracaibo Basin, Venezuela

Jerry J. Sweeney , Robert L. Braun , Alan K. Burnham , Suhas Talukdar , Carlos Vallejos

AAPG Bulletin

... to fracture--the fracture limit, (5) the ratio of lithostatic pressure to hydrostatic pressure (dependent on rock density)--the lithostatic pressure gradient...

Temperature and pressure characteristics of Ordovician gas condensate reservoirs in the Tazhong area, Tarim Basin, northwestern China

Yifeng Liu, Nansheng Qiu, Wenxuan Hu, Huili Li, Fangyu Shen, and Qianying Yao

AAPG Bulletin

... generally increases with increasing depth following a hydrostatic gradient. However, abnormal pressures, especially overpressures, are found in numerous...

Simulations of the Origin of Fluid Pressure, Fracture Generation, and the Movement of Fluids in the Uinta Basin, Utah

J. D. Bredehoeft , J. B. Wesley , T. D. Fouch

AAPG Bulletin

...) the geothermal gradient. Using this conceptual model, the pressure buildup results from the trade-off between the rate of oil generation and the flow...