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Keywords: wellbore
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Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180210-MS
... to rule out liquid accumulation in the wellbore. The richness of the related phenomena in the gas field, however, comes from the interaction of multiphase-flow in the well and in the reservoir. The concept of critical gas velocity (or rate) is in fact misleading, because steady state upward flow of a gas...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, April 14–16, 2009
Paper Number: SPE-115826-MS
... operation lateral uncemented horizontal liner spatial resolution wellbore SPE 115826 Far-Field Volumetric Distribution of Fracturing Fluids Away From an Uncemented Horizontal Liner in the Bakken Formation Kenneth L. Dunek, SPE, Marathon Oil Co., and Doug W. Walser, SPE, and Dmitriy K. Astakhov, SPE...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, April 14–16, 2009
Paper Number: SPE-122570-MS
... of a tight multi-layered reservoir drained by a horizontal well with a longitudinal fracture. This model rigorously couples flow in the matrix to flow in the fracture, and then to flow in the wellbore to account for the fracture conductivity and wellbore hydraulics, respectively. History matching...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, April 14–16, 2009
Paper Number: SPE-123598-MS
... temperature (HPHT) gas wells. The wellbore design included in a 6 x 7–5/8 in. solid openhole liner expanded across the Upper Bossier formation that enabled 14–3/4 in. surface casing while still reaching TD at ~15,000 ft with 4–1/2 in. casing. This design improved the rate of penetration resulting in reduced...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-108103-MS
... rates and volumes, wellbore design, and the assessment of mechanical problems are some of the factors that can be evaluated using fracture mapping technology. Microseismic Monitoring The microseismic method relies on the detection and analysis of large numbers of microearthquakes using downhole...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-108045-MS
... stimulation treatment result crosslinked fluid society of petroleum engineers Bakken formation fracture refracture treatment wellbore Copyright 2007, Society of Petroleum Engineers This paper was prepared for presentation at the 2007 SPE Rocky Mountain Oil & Gas Technology Symposium held in Denver...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-108190-MS
... observed in field tests. The negative pseudoskin factor is a function of fracture conductivity, fracture density, length, distance from the wellbore, and azimuth. Using the model, we demonstrate that the shape of pressure derivative is related to fracture distribution. However, the wellbore pressure...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-108084-MS
... logging (PL) tools or downhole video logging tools. Pressure, temperature, nuclear fluid density, single capacitance, capacitance array, fullbore spinner, caliper, and gamma-ray data were retrieved by production logging methods. Video logging collected thousands of wellbore images as well as pressure...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-102719-MS
... in low near wellbore pressure containment. It also demonstrates that the lost circulation frequently encountered when drilling depleted formations occurs when both near wellbore pressure containment and far field pressure containment are low. The numerical method is used to investigate the improvement...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107985-MS
... Abstract Propped hydraulic fracture stimulation has been one of the primary completion methods for coalbed methane wellbores for more than twenty years. However direct fracturing of coal seams has been notoriously inefficient. High fracture pressures in coal seams, coal cleating and natural...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107979-MS
... fracturing materials drilling operation proppant Directional Drilling hydraulic fracturing fracturing fluid lateral stimulation Bakken lateral length transverse fracture lateral leg fiber fracture productivity wellbore Upstream Oil & Gas concentration North Dakota Montana...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107989-MS
... Abstract To simultaneously simulate the flow behavior in the reservoir and horizontal wellbore, it is necessary the developing of a coupled model integrating both reservoir domain and horizontal wellbore domain. This paper investigates the transient flow behavior of horizontal wellbore...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, May 21–23, 2001
Paper Number: SPE-71035-MS
... are originated at different positions along the main fracture or even starting at the wellbore (far field or near the wellbore). A mathematical formulation intended to simulate certain fracture segmentation pattern in defferent directions is proposed assuming constant width and infinite conductivity fracture...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, May 21–23, 2001
Paper Number: SPE-71073-MS
... Abstract When hydraulic fracturing techniques are used to stimulate production from an oil or gas well, successful job placement is often jeopardized by near-wellbore (NWB) problems. These problems may be related to the perforation entry or to the fracture width in the immediate vicinity...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, May 21–23, 2001
Paper Number: SPE-71075-MS
..., with horizontal and vertical orientation, extend more than 100 feet in diameter from the wellbore. Combustion of PGDBK generators takes place near a selected pay zone in a well under a hydrostatic column sustained by a tamp fluid. Through a combined effect of mechanical, thermal, and chemical actions, the use...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium and Exhibition, March 12–15, 2000
Paper Number: SPE-60308-MS
... Abstract This study concludes that the shape as well as the time of breakthrough of a water or a gas cone are significantly affected by the pressure drop within the wellbore. An analytical model is used to demonstrate features of the movement of a cone when pressure drops in the wellbore...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium and Exhibition, March 12–15, 2000
Paper Number: SPE-60303-MS
... of natural fracturing away from the borehole. Fifty percent (50%) of the DPI tests exhibited pressure dependant leakoff 2 that was interpreted as due to fractures away from the wellbore. Welllogs, however, would not measure such features. Log-based permeability proposed here provides a "base case" value...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium and Exhibition, March 12–15, 2000
Paper Number: SPE-60317-MS
... a nitrogen-foam stimulation in one or two stages. From post-treatment communication and well tests in the "Shale Data Wells", Burlington has learned that during and after communication testing, substantial amounts of fluid have been produced into the wellbore. These tests were performed 5 to 7 months after...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium and Exhibition, March 12–15, 2000
Paper Number: SPE-60284-MS
... arising from compartmentalized, point-bar reservoirs that are commingled at the wellbore. This paper presents an improved method of analyzing these complex declines using a numerical simulator. Central to this method is the definition of six different reservoir types, each of which can be subjected...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 15–18, 1999
Paper Number: SPE-55618-MS
... This paper was prepared for presentation at the 1999 SPE Rocky Mountain Regional Meeting held in Gillette, Wyoming, 15–18 May 1999. upstream oil & gas selective production baker oil tool well intervention manipulation work string wellbore society of petroleum engineers drilling...

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