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Keywords: foam
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Proceedings Papers

Paper presented at the Production and Operations Symposium, March 31–April 3, 2007
Paper Number: SPE-106465-MS
... materials Upstream Oil & Gas completion producer production rate Revenue agent assessment evaluation batch treatment wellbore continuous application gas sale price foam society of petroleum engineers Drillstem Testing selection FAL program application bottomhole pressure case study...
Proceedings Papers

Paper presented at the Production and Operations Symposium, March 31–April 3, 2007
Paper Number: SPE-106902-MS
... CO2 (up to 20% of viscosity of oil), displacement front instabilities and a premature CO2 breakthrough is observed in many cases. In order to control the mobility of CO2 flooding, the gas injection is alternated with surfactant solution [1], which results in generation of foam (colloidal dispersion of...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 16–19, 2005
Paper Number: SPE-93949-MS
... Abstract The mobility and flow distribution of liquid injected after foam controls the effectiveness of foam-acid matrix well-stimulation treatments and the injectivity of liquid in many foam IOR processes. We present a CT study of liquid injection following foam, in which both mobility and...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 16–19, 2005
Paper Number: SPE-94273-MS
... Abstract An experimental investigation on polymer-based drilling foams was carried out. Rheology tests were performed with foams that have different concentrations of Hydroxylethylcellulose (HEC) and 1% commercial surfactant. Experiments were conducted in a large-scale flow loop that permits...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–25, 2003
Paper Number: SPE-80895-MS
... drilling fluid property guar foam fluid foam drilling fluid chemistry drilling fluids and materials upstream oil & gas apparent viscosity mgal guar foam drilling fluid selection and formulation drilling fluid formulation concentration chemical flooding methods rheology shear...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–25, 2003
Paper Number: SPE-80896-MS
... a zirconium cross linked polymer system that requires approximately half the polymer loading to obtain the same proppant transport capabilities as other zirconium crosslinked polymer systems. The system is compatible with carbon dioxide and nitrogen and has been pumped as a gas assist and as a foam...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–25, 2003
Paper Number: SPE-80931-MS
... Abstract This paper presents improved CTU foam cleanout operation for horizontal producers completed with pre-drilled liners and provides insight into the technicalities of optimized removal of sand-deposits in horizontal wells. Excessive sand production (800-lbs/MSTBO) characterized JKJ...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 24–27, 2001
Paper Number: SPE-67263-MS
... chemical flooding methods hydraulic fracturing drilling fluid chemistry mgal xanthan foam fracturing fluid gel concentration experimental investigation enhanced recovery viscosity apparent viscosity xanthan foam drilling fluid formulation drilling fluid property spe 67263 proppant...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 24–27, 2001
Paper Number: SPE-67212-MS
... stemming from inaccurate and erroneous public data. Localized successes with foams containing CO 2 , KCl, nitrogen, and methanol prompted a more comprehensive study of the area that attempted to address the problems associated with the evaluation of public production data. A Graphical Information System...
Proceedings Papers

Paper presented at the SPE Mid-Continent Operations Symposium, March 28–31, 1999
Paper Number: SPE-52122-MS
... include plunger lift, small-ID tubing, gas lift, flow controllers, submersible pumps, sucker rods, swabbing, jetting and foaming. Among these foam lifting has been used quite successfully in the field for removing liquids from the wellbore and the annulus. However, there is a strong need for using a...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 9–11, 1997
Paper Number: SPE-37463-MS
... foam diversion foam quality experimental investigation permeability ratio spe 37463 experiment diversion performance permeability foam slug size diversion experiment permeability contrast diversion upstream oil & gas fluid dynamics surfactant acidizing diversion...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 2–4, 1995
Paper Number: SPE-29448-MS
... program, the operator utilized linear-gel (LG) based, 70% quality, nitrogen foams placing 20/40 sand in concentrations up to 4 lbm/gal. Initial production rates following these treatments were highly variable among wells even though wireline, log-properties were similar. Due to the variability in the...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 2–4, 1995
Paper Number: SPE-29529-MS
... Abstract Recent studies of foam-diversion processes for matrix acidization identify gas trapping during post-foam liquid injection as the key to foam effectiveness. Laboratory studies identify two degradation processes during this period: a rapid increase in mobility throughout the core...
Proceedings Papers

Paper presented at the SPE Mid-Continent Gas Symposium, May 22–24, 1994
Paper Number: SPE-27928-MS
... used in planning the testing programs, foam drilling and coring, drill stem tests (DST), wireline pressure testing, in-situ stress and strain testing, and logging programs is explained as well as the evolution of the drilling, individual layer DST, completion, and individual layer cased hole testing...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 21–23, 1993
Paper Number: SPE-25412-MS
..., bullhead treatment, a coiled tubing placed, nitrogen foam diverted treatment and a coiled tubing placed treatment without diverting materials. The treatment designs utilizing coiled tubing were developed in an effort to improve upon the conventional method by providing better formation damage removal...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 7–9, 1991
Paper Number: SPE-21644-MS
... Abstract Foams have been used as hydraulic fracturing fluids for over twenty years. Their primary usage is in reservoirs that are under-pressured and/or water sensitive. Nitrogen was the gas initially used as the internal phase. Later, carbon dioxide became sore widely accepted and provided...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 13–14, 1989
Paper Number: SPE-18844-MS
... density brines and well control when using foam as the completion fluid. Low density brines can be effectively used for workover operations in wells to be recompleted in a low pressure reservoir. However, because of the overbalanced condition that exists during workover operations, fluid loss must be...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 13–14, 1989
Paper Number: SPE-18820-MS
... analysis will be divided into three major categories of discussion. Comparisons will be made between those treatments using gelled water only an1 70 quality (percent) foamed gel which has become the more conunon fluid. Fracture design techniques which have become useful will also be discussed as will...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 8–10, 1987
Paper Number: SPE-16191-MS
... rheogram drilling fluid selection and formulation laboratory spe 16191 drilling fluid chemistry dependence tube rheometer drilling fluid property foam fluid surfactant concentration simple nitrogen foam rheometer rheological property foam quality shear rate viscosity drilling...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 10–12, 1985
Paper Number: SPE-13797-MS
... resulting from hydraulic fracturing. It is based on the assumption that downward fracture growth cannot be sufficiently controlled using existing procedures. This approach will present the use of density controlled foam fracturing to selectively place proppants in the upper portion of the fracture adjacent...

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