At the 2017 SPE Oilfield Chemistry Conference, an assistant professor from Heriot-Watt University discusses the optimization of squeeze treatments delivered by diving support vessels. This paper describes a novel method of chemical dosage based on time-resolved fluorescence (TRF) that allows a simple, accurate, and efficient quantification of chemicals below parts-per-million ranges, even for double (scale/scale, scale/corrosion) quantification. Rigless coiled-tubing-unit (CTU) interventions can be effective in returning to production wells that have lost electrical-submersible-pump (ESP) efficiency because of organic, inorganic, or mixed scale deposits. The gas-producing carbonate zones of the Ghawar field in eastern Saudi Arabia have been affected by extensive iron sulfide (FeS) scale deposition, reducing overall gas production and increasing risks during well interventions. Two alkali/surfactant/polymer (ASP) floods became operational in the Taber area of Alberta, Canada, in 2006 and 2008.
The deployment of appropriate CO2-separation technologies for natural gas processing is viewed as an abatement measure toward global CO2-emissions reduction. Selection of the optimum technology requires special attentiion. The authors discuss the results of a pilot project to capture post-combustion CO2 for purposes of EOR. Three case studies are in progress that are based on actual oil-producing platforms—two on the Norwegian Continental Shelf (NCS) and one in the Brazilian basin. ExxonMobil is testing its Controlled Freeze Zone technology, a single-step cryogenic process that allows carbon dioxide (CO2) to freeze in a controlled method and then melts the CO2.
Identifying the type of corrosion is the first step in the analysis and prevention of corrosion-related failures. Visual inspection of the pit morphology can provide insights into the type of corrosion that is occurring. When panels in an instrument equipment shelter kept tripping and the occasional smell of H2S led to an investigation of the rationale. Although a rare occurrence, this paper presents a strategy for prevention through careful site selection. Though a best practice for sustainable hydraulic fracturing operations, using nonpotable water creates an environment in which microorganisms thrive.
In this work, the authors demonstrate at a laboratory scale the possibility of using a radio-frequency heating system as a heat exchanger. The root cause analysis of corrosion failure in a heat exchanger revealed inadequate cleaning, ineffective microbial control, and subpar monitoring of cooling water quality.
This paper presents a critical review of the recent literature to determine the status of research and development and field application of nanotechnology in the oil field. In this work, the authors demonstrate at a laboratory scale the possibility of using a radio-frequency heating system as a heat exchanger. Magnetic nanoparticles (MNPs) is a promising way to remove dispersed oil from produced water. In this study, the authors investigated the optimal operating conditions for MNPs and the mechanisms of MNP/oil attachments and magnetic separation. As practitioners we don’t always convey that the oil and gas industry is at the forefront of many different technologies, but we should, if only because it can be a real selling point to attract young people to our industry.
With these synopses of technical papers from OnePetro you can join the author for conferences in Kuala Lumpur, New Orleans, and Lagos, all while sitting in your chairs and without any travel expenses. This paper reviews the mechanisms of initiation and the prevention of top-of-the-line corrosion (TLC). Water condensation and/or hydrate formation at the top of pipelines are serious design/operation considerations in pipelines. This paper reports the results of tests conducted in a new experimental setup constructed for investigating gas-hydrate risks in varied operational scenarios. A wide range of corrosive elements and compounds from a variety of crudes has led to a renewed industry focus on corrosion and the effects it has on pipelines and vessels.
Is the Permian Barreling Toward a Breaking Point? Permian oil output is growing fast, pipeline capacity is full with little relief in sight, truck drivers are in short supply, and the value of basin-produced crude is sinking. Is a drop off in activity—including drilling and production—becoming inevitable? As oil production grows by millions of barrels in the Permian, so does the water. A report from Wood Mackenzie offers an estimate of the cost and who will be affected most.
An oil and gas startup has attracted the business with a major operator thanks to its ability to forecast whether production-enhancing chemicals will work as advertised. The evolution of horizontal drilling and multistage completions has changed matrix stimulation from the “more acid, better result” belief to effective lateral distribution and deeper penetration with less acid. Researchers at the University of Calgary have developed a solid pellet that can transport bitumen and heavy oil by railcar instead of pipelines. With multistage operations becoming the industry norm, operators need easily deployable diversion technologies that will protect previously stimulated perforations and enable addition of new ones. This paper reviews several aspects of the use of in-stage diversion.