Memoir 71, Chapter 12: A Direct Method for Determining Complete Positive and Negative Capillary Pressure Curves for Reservoir Rock Using the Centrifuge

E. A. Spinler and B. A. Baldwin

AAPG Special Volumes

... experimental determination of capillary pressure curves from saturation distributions produced while centrifuging fluids in a rock plug. A free-water level...

Capillary Pressure: Part 5. Laboratory Methods

Charles L. Vavra, John G. Kaldi, Robert M. Sneider

AAPG Special Volumes

... now calculate the amount of hydrocarbon column required (height above the free water level or level where Pc = 0) to attain a pressure of interest...

Definition of Water Table: GEOLOGICAL NOTES

Carroll F. Knutson

AAPG Bulletin

... of the factors in the capillary-pressure relations indicates that great volumes of difficult-to-obtain data are necessary to ascertain the "free" water...

Rock Pressure

William B. Heroy

AAPG Bulletin

... of the 78 feet of salt water below the level named. The amount of the true pressure was 323 pounds. Visiting the field when the first well was completed I...

Problem Areas in Interpretation of Pressure Measurements in Thin and Multi-Layered Reservoirs

C. Fraisse, B. Simon, B. Seto, D. Nardio, J. Pouzet, Y. Grosjean

Indonesian Petroleum Association

... measurement. The objective of this paper is to stress some specific limitations of pressure measurements regarding height above free water level...

Water Saturation in Transition Zone, Ignore SCAL Data Using Cuddys Height Saturation Method

Bagus Guspudin, Nantasia Nanda, Humaedi Aldi Alfarizky, Febriwan Mohammad

Indonesian Petroleum Association

... accurate determination of the free water level (FWL), transition height, and irreducible water saturation. The transition zone is influential reservoir...

Integrated Petrophysical Methods for the Analysis of Reservoir Microarchitecture—a Kansas Chester Sandstone Case Study

John H. Doveton

Kansas Geological Society

..., Predicting a downdip water level using capillary-pressure relationships: The Log Analyst, v. 32, no. 5, p. 571-574. Stout, J. L., 1964, Pore geometry...

Oil and Gas Proven Reserve Reductions: A Geologist’s Perspective

Arthur E. Berman

Houston Geological Society Bulletin

... saturations that often this is calculated as a height function above free water level using capillary pressure data derived from cores. I have already...

Seals - A Critical Element To Successful Exploration and Production - Workshop Summary

Robert Sneider, Ronald Surdam, Charles Vavra

PTTC

... the free water level). Three factors control capillary pressure in rocks: interfacial tension between hydrocarbons and water, wettability of the rock...

Wireline Pressures Detect Fluid Contacts, Ikan Pari Field, Natuna Sea

Pryo Hutomo, W. V. Jordan

Indonesian Petroleum Association

..., Conoco has found most all tested water sands to have a normal pressure gradient near 0.433 psi/ft, related to sea level datum. This paper discusses...

Application of High Precision Pressure Measurements in Reservoir Evaluation

M. Ribuot, J. Exbrayat, W. Machtalere

Indonesian Petroleum Association

... operated by the S.N.E.A. (P). Determination of Gas/Water Contact in the Reservoir by Pressure Gradient Intercept Method An offshore gas field...

Experiences in Underbalanced Drilling and Testing Low Gravity Oil from a High Productivity Reservoir in Seram Island, Maluku Province, Indonesia

I. P. Moyle, Stephen Dyer, D. G. S. Lamb, W. G. Mogg

Indonesian Petroleum Association

.... The free water level was finally confirmed at 7,200 ft (or 5900 ft TVD-SS) using a combination of measured formation pressure extrapolation, surface water...

Residual Gas Saturation and Sweep Efficiency Evaluation for Remaining Gas Estimation of a Field: A Case Study in Green Channel, Peciko Field, Mahakam, Indonesia

Raini Adinda Siswikirana, Hidayat Mukmin, Haris Kurniawan Hidayat

Indonesian Petroleum Association

... pressure, Sw, and calculated height above the free water level (FWL), Sw was calculated with respect to height above FWL for each core sample (Figure 5...

Production Studies Using NMR and High-Frequency Dielectric Permittivity

Search and Discovery.com

Tubing Anchors can Reduce Production Rates and Pump Fillage

James N. McCoy, Lynn Rowlan, Carrie-Anne Taylor, Tony Podio

Unconventional Resources Technology Conference (URTEC)

... to the pumping system to lower producing bottomhole pressure and increase production. For example, a high gas free fluid level on a producing well will increase...

Improved interpretation of wireline pressure data

Alton Brown

AAPG Bulletin

... be detected by offset of the free-water level from the petroleum-water contact. This effect can be used to estimate reservoir wettability. Subsurface...

Experiment at Hydrogeological Investigations in the Exploitation Oil Fields

S. N. Shan’gin

Petroleum Geology: A Digest of Russian Literature

..., Interaction of oil pools during exploitation: Gaz. Promy., no. 3. 4. Savchenko, V. P., 1957, Determination of the position of the gas-oil, water-oil, and gas...

Stability of Calcium Carbonate Polymorphs in Warm, Shallow Seawater

H. Dale Winland

Journal of Sedimentary Research (SEPM)

... change is: G°R = G°Ca++ + G°CO3-- - G°calcite. Using data from Robie and Waldbaum (1968), the free energy change for the solution of calcite is 11.5±.6...

Pitfalls in Centrifuge Capillary Pressure Data: Quality Assurance Proving Up the Reserve

Masahiko Nomura

Indonesian Petroleum Association

... from free water level K: Permeability L: Core length NLe: Reynolds number Pc: Capillary pressure Pci: Inlet capillary pressure R: Core radius r3: outer...

Bavly Experiment

O. I. Dorokhov, S. A. Sultanov, A. N. Selyunin, I. G. Poluyan

Petroleum Geology: A Digest of Russian Literature

...%). The amount of injected water was about 18,500 m3 per day, exceeding somewhat the planned level; therefore, the pressure on the lines of injection...

Influence of Pore Geometry and Structure on Capillary Pressure J-Function Prediction: An Applicable Technique for a Case Study of the Baturaja Formation in the Jabung Block

Catur Kristiawan, Hilmy Khairi, Aldi Fathurrahman, Sesilia Nandya

Indonesian Petroleum Association

.... This capillary pressure was selected based on Timur's field observations of water-free oil and gas production at 50 psi capillary pressure. The determination...

Theoretical Considerations of Sealing and Non-Sealing Faults

Derrell A. Smith

AAPG Bulletin

... ocarbons and the water at any level in the reservoir; displacement pressure is the pressure required to force hydrocarbons into the largest interconnected...

Reservoir vs. Seal Pressure Gradients: Calculations and Pitfalls; #41298 (2014)

Selim Simon Shaker

Search and Discovery.com

... of the formation fluid (water, oil or gas ) to rise above a reference point i.e. RKB, Sea level, well head, ground level (Figure 6). The excess pressure...

Determination of the Initial Water-Oil Contact in the Clastic Reservoirs of the Devonian of Tataria

D. A. Shapiro

Petroleum Geology: A Digest of Russian Literature

... the same stratum. Up until the appearance of fresh water in exploitation wells, the determination of the water-oil contact using the laterolog in the zone...

Abstract: Evaluation and Conversion of Adsorbed-Free Shale Gas in the Fuling Area, China;

Pang Xiaoting

Search and Discovery.com

... and Exhibition 2020, Online/Virtual Abstract Shale gas tends to exist in the forms of adsorbed and free gas in reservoirs. Accurate determination of the ratio...