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Fines migration is a recognized source of formation damage in some production wells, particularly in sandstones. Direct evidence of fines-induced formation damage in production wells is often difficult to come by. Although most other forms of formation damage have obvious indicators of the problem, the field symptoms of fines migration are much more subtle. Indirect evidence such as declining productivity over a period of several weeks or months is the most common symptom. This reduction in productivity can usually be reversed by mud-acid treatments.
Treatment evaluation leads to problem identification and to continuously improved treatments. The prime source of information on which to build an evaluation are the acid treatment report and the pressure and rate data during injection and falloff. Proper execution, quality control, and record keeping are prerequisites to the task of accurate evaluation. Evaluation of unsatisfactory treatments is essential to recommending changes in chemicals and/or treating techniques and procedures that will provide the best treatment for acidizing wells in the future. The most important measure of the treatment is the productivity of the well after treatment.
If the problem is formation damage, then matrix acidizing may be an appropriate treatment to restore production. This page discusses ways to evaluate whether a well is a good candidate for acidizing. This plugging can be either mechanical or chemical. Mechanical plugging is caused by either introduction of suspended solids in a completion or workover fluid, or dispersion of in-situ fines by incompatible fluids and/or high interstitial velocities. Chemical plugging is caused by mixing incompatible fluids that precipitate solids.
COVID-19 has had a profound effect in every walk of life, and businesses have faced severe effects from the pandemic. But, as industries are resuming operations, they are adapting to the new normal where safety measures, sanitation at the workplace, and keeping an eye on health of employees makes the key difference in tackling challenges posed by the virus. Murphy Oil (NYSE: MUR) also has implemented measures required to help keep COVID-19 infections at bay with employees by diligently monitoring open-source COVID-19 data to study metrics (Figure 1) such as number of active and new cases, hospital bed capacity with COVID-19 related cases, intensive care unit (ICU) bed occupation rates with COVID-19 related cases, and measuring average of fewer than 15% general population compared to ICU beds occupied by COVID-19 patients in all regions with company offices, especially US and Canada, on a daily basis and implementing a mandatory screening of any staff or visitors before entering a Murphy-operated site. Moving into action and monitoring the COVID-19 outbreak since January, following initial reports from China, worked in favor of Murphy Oil. Observing media reports from across the globe on a regular basis provided an estimate of the potential effect the pandemic could have on the company's global operations as well as businesses in the United States. Tom Mireles, senior vice president of technical services at Murphy, said, "It was important for us to learn as much about the spread of COVID-19 as possible in the early days before the US or Canada even had its first case so we could recognize the potential risks from the super spread of events and assess impact to our operations, especially our offshore facilities.
Industrial augmented reality (AR) takes several forms. The holy grail--and eventually prevalent format--is headworn AR, where visualization software is installed on AR glasses such as Microsoft's HoloLens. Nearer-term deployments also include smartphone- or tablet-based AR. Beyond AR's vessels, there are also varied functions. "see what I see") lets subject-matter experts remotely view (via camera) and guide front-line workers.
Low oil prices look like something the industry needs to get used to. "This will be with us for a while," said Rex Tillerson, chairman and chief executive officer (CEO) of ExxonMobil. While prices will swing up at times, he predicted a "difficult price environment for the next couple of years." The message was repeated over and over by the speakers at the annual IHS CERAWeek conference in Houston, which attracts executives from around the globe. "You have to prepare for USD 60 and less," said Stephen Chazen, president and CEO of Occidental Petroleum.
Developing a reservoir with the current capex constraints requires the use of innovative technology to provide reliable reservoir production insight. Integrating patented chemical tracer technologies into reservoir development plans can reduce risk, minimize capex spend and maximize return on investment. Understanding the impact that geology, petrophysics, drilling and stimulation practices have on stage productivity is essential for optimal reservoir development. Unlike other tracer diagnostic offerings, liquid molecular tracers, patented by Tracerco, are able to fully quantify individual stage production, providing operators with the confidence to adjust future field development plans and optimize hydrocarbon recovery. A Tracer Production Log (TPL) uses unique liquid molecular tracers, each injected directly into stimulation fluids during well completion as an emulsion.
"Big data," once only the concern of database geeks or a marketing technique among retailers, is now part of our mainstream consciousness and vocabulary. Big data is having a profound impact on the upstream E&P industry as well. According to a McKinsey Global Institute report, "big data refers to datasets whose size is beyond the ability of typical database software tools to capture, store, manage, and analyze." I like this definition because it does not require a dataset of any specific size. It allows datasets to increase as technology advances.
I recently read a blog while scrolling through LinkedIn that resonated with me. It was by Brian de Haaf, CEO of a software company called Aha! Its title "Remote Workers Are Outperforming Office Workers" didn't come to me as a surprise. This was aligned with my experience: If your role allows, having the option to work remotely with the flexibility and autonomy to make this happen can improve personal performance, productivity, and motivation. The Office for National Statistics recorded 14% of people working in the UK between January and March of 2014 as "home workers," having worked at least 1 day a week from their home location. This was the highest rate of home working since comparable records began in 1998.
According to Michael Kenison, technical solutions must have the proper blend of creativity and practicality and ideas should meet a legitimate need. Kenison is a project manager at Schlumberger and has six patents to his credit with six more in the pipeline. He received his first patent at the age of 29. He is just one of the many young achievers in the oil and gas industry. Physics, chemistry, and mathematics are overflowing with people who have exemplified the meaning of prodigy and their names are found in numerous high school and college textbooks.