Time filter

Source Type

Houston, TX, United States

Halliburton Company is an American multinational corporation, and one of the world's largest oil field services companies with operations in more than 80 countries. It owns hundreds of subsidiaries, affiliates, branches, brands, and divisions worldwide and employs approximately 100,000 people.The company has dual headquarters located in Houston and in Dubai, where Chairman and CEO David Lesar works and resides, "to focus company’s Eastern Hemisphere Growth." The company remains incorporated in the United States.Halliburton's major business segment is the Energy Services Group . ESG provides technical products and services for petroleum and natural gas exploration and production. Halliburton's former subsidiary, KBR, is a major construction company of refineries, oil fields, pipelines, and chemical plants. Halliburton announced on April 5, 2007 that it had sold the division and severed its corporate relationship with KBR, which had been its contracting, engineering and construction unit as a part of the company.The company has been involved in numerous controversies, including the Deepwater Horizon explosion, for which it agreed to settle outstanding legal claims against it by paying litigants $1.1 billion.As of August 1, 2014 Jeff Miller was promoted to President of Halliburton reporting directly to Dave Lesar.On November 17, 2014 Halliburton and Baker Hughes jointly announced a definitive agreement under which Halliburton will, subject to the conditions set forth in the agreement, acquire Baker Hughes in a stock and cash transaction valued at $34.6 billion. A press release made available on the former's website, as at December 11, 2014 detailed the restructuring in the integration to follow. Wikipedia.

Cavanagh A.,Halliburton Co.
Energy Procedia | Year: 2013

The Sleipner Benchmark, released in 2011 by Statoil, allows for high-resolution flow simulations of the world's largest offshore CO2 storage site. While benchmarks already exist for CO2 storage, they are unconstrained by observational data. The Sleipner Benchmark is unusual in being a real case study with data of sufficient detail and duration to calibrate key uncertainties. At Sleipner, CO2 has been injected since 1996 into a shallow marine sandstone formation. The model measures 3×6 km 2 directly above the injection location, and includes the subtle caprock topography that appears to control the plume development. This paper presents simulation results that (a) match the plume over the period 1999 to 2008, and (b) predict the plume for 2010 (seismic not yet released) and 2012 (seismic acquired last year), using the 2006 and 2008 observations as calibration points. A combination of modeling techniques indicates that the best match is derived from a black oil reservoir simulator, but only when adapted to approximate the near-equilibrium pressure conditions of a migration simulator for flow beneath the caprock. This strongly favors a gravity-segregated/ capillary-dominated interpretation of the plume behavior at a relatively short distance from the injection location. The black oil simulation approach also allows for an estimate of the plume dissolution behavior - A poorly constrained phenomenon. The simulation results imply: (1) a rapid approach to equilibrium for the buoyant CO2 within years; and (2) a significant local dissolution effect within decades. This combination of near-equilibrium conditions and subsequent dissolution suggests that the risk associated with the Sleipner plume is currently low and likely to diminish in the immediate post-operational phase. © 2013 The Author.

Borate or Group 4 metal-crosslinked biopolymer fluids constitute the bulk of gelled-fracturing-fluid volumes used in field-fracture stimulation operations to date. Oxidizing chemicals remain the primary gel breakers to break down the filter cake and establish regained formation permeability or fracture conductivity. These breakers presumably oxidize the polymer backbone, causing chain breakdown and facilitating fluid flowback. Safety hazards associated with the use of bulk quantities are one of the many potential problems associated with the use of oxidizing agents as gel breakers. Proper timing of gel breakdown is of utmost importance with respect to oxidizing gel breakers. Conversely, premature polymer oxidation can cause premature proppant settling. On the other hand. a long delay between the completion of the fracturing operation and activation of the gel breaker could cause the deposition of additional filter cake on fracture faces, which could be difficult to bleak down. A desirable advancement of designing improved fracturing fluids is to develop nonoxidizing gel breakers that focus on decrosslinking the crosslinked gel structure by reacting with the crosslinking agent, rather than only breaking down the polymer chain. In addition, by insolubilizing such breakers, they can be embedded in the filter cake and, when activated, they can degrade the filter cake completely without leaving any residues. In this paper, synthetic disks of different porosities were used to simulate formation-permeability damage caused by filter cakes formed by Zr-crosslinked, carboxylated guar-based gels, and the results were compared with those measured for uncrosslinked fluids. The filter cakes were formed under different applied-pressure regimes and characterized for their polymer content and filter-cake/filtrate-weight ratios. From flow-rate measurements, it was clear that uncrosslinked base polymer solutions did not cause any permeability damage. Uncrosslinked polymer fluids produced from Zr-crosslinked gels by use of decomplexing, nonoxidizer breakers also did not significantly damage disk permeability compared with the fluids produced from conventional, oxidizer-type breakers. Several ortho-disubstituted aromatic compounds containing polar heteroatoms capable of functioning as potentially strong ligands for zirconium were found to be suitable as decomplexing breakers. Biopolymers containing such functional groups, notably lignosulfonate derivatives, show promise as commercially viable alternatives to oxidizing breakers for metal-crosslinked fracturing fluids. Copyright © 2014 Society Petroleum Engineers

Rowan M.G.,Rowan Consulting Inc. | Ratliff R.A.,Halliburton Co.
Journal of Structural Geology | Year: 2012

Cross-section restoration typically assumes plane-strain deformation and area conservation, constraints that are usually invalid for salt because of its characteristic three-dimensional flow and possible dissolution. Thus, restoration of salt-related deformation provides added challenges and uncertainty. In this review paper, we summarize the historical development of ideas, methods, and applications of restoration in salt basins. While most published restorations do not maintain salt area, constraints on its variation range from arbitrary assumptions to quantitatively incorporating isostatic calculations. We illustrate several scenarios in which the presence of salt adds ambiguity to restoration, primarily because it can hide deformation: diapirs can widen during extension and narrow during shortening; translating overburden can move into salt and drive allochthonous advance; secondary minibasin subsidence can be accommodated at both shallow and deep salt levels; and allochthonous salt can record evacuation of deeper salt. Although we caution against using restoration to test and validate small-scale details of interpretations, we emphasize that sequential restoration remains an essential tool in structural and basin analyses. However, because of the uncertainties, a regional three-dimensional approach and sound geological reasoning are critical for deriving meaningful and useful results from cross-section restoration of salt structures. © 2012 Elsevier Ltd.

Thomas Hu Y.,Halliburton Co.
Journal of Rheology | Year: 2014

The shear-thickening behavior of reversibly cross-linked guar network is studied using rheological and particle imaging velocity measurements. New evidence suggests that both shear-induced increase in crosslink density and non-Gaussian chain stretching are possible mechanisms for shear thickening. Which mechanism plays a predominant role depends on the applied shear rate γa and shear time. At γa not too much larger than 1/τ, where τ is the network relaxation time, shear thickening is mainly caused by the increase in crosslink density. At higher shear rates, shear thickening is initiated by the increase in chain density at short times, and non-Gaussian chain stretching occurs at longer times. It is demonstrated that the linear elastic modulus measured for the shear-thickening state and its relaxation time can be used to discriminate between non-Gaussian chain stretching and shear-induced crosslinking mechanisms. The detection of a linear step strain regime where the measured modulus does not change with the strain amplitude indicates the absence of non-Gaussian chain stretch. When chains are stretched into the non-Gaussian regime, the relaxation time becomes smaller whereas relaxation time remains unchanged if only crosslink density increases. At high shear rates, flow may become unstable with bulk fracture, shear banding, and continuous flow occurring randomly as revealed by the velocity profile across the flow cell gap. © 2014 The Society of Rheology.

Halliburton Co. | Date: 2013-03-29

A method of swelling an oil-swellable elastomer in a well comprising the step of: contacting the oil-swellable elastomer in the well with a treatment fluid, wherein the treatment fluid comprises: (A) an oil selected from the group consisting of alkanes and naphtha, wherein the oil comprises hydrocarbons having anywhere in the range of 5 to 21 carbons; (B) an -olefin having anywhere in the range of 18 to 26 carbons; and (C) an activator for oil-swelling, the activator selected from the group consisting of: ketones, dodecane, terpenes, terpenoids, haloalkanes having from 9 to 20 carbons, and any combination thereof. An oil-swelled elastomer as produced by the method is also contemplated.

Discover hidden collaborations