22 Sep, 2015
Visit us at SPE ATCE 2015
Are you planning to be at the SPE Annual Technical Conference & Exhibition (ATCE), September 28th – 30th in Houston, TX? If so, we welcome and encourage you to stop by our booth, 2317, and discuss how our comprehensive workforce development solutions can help your organization keep moving forward!
Read More >6 Jul, 2015
'Building a High-Performance Facilities Engineering Organization' is now available for download
This paper presents a methodology for constructing a Facilities Engineering organization for an Upstream-Midstream operating company. The methodology encompasses 7 main elements.
Read More >10 Jun, 2015
PetroSkills distributes insert in EAGE publication, ‘First Break’
PetroSkills recently partnered with the European Association of Geoscientists & Engineers (EAGE) to incorporate workforce development solutions, in the form of an insert, into their monthly publication. The EAGE insert, which will be distributed to over 25,000 subscribers of ‘First Break’, will contain features on Geoscience Courses and PetroSkills Field Trip courses that extend learning into the field. The Executive Brief, ‘Developing an Exceptional Workforce: Doing More with Less’ is also featured as a free download. The on-demand webinar ‘Hilbert Transform Attributes – Unplugged’ covering select topics from the AVO, Inversion and Attributes...
Read More >28 May, 2015
Seismic Interpretation Video Series Available Now
Have you had a chance to check out our new video series, presented by Dr. Tom Temples? This three-week long video series covers select topics from our Seismic Interpretation course. Upon signing up for the series, a new episode will be delivered directly to your inbox each week.
Read More >12 Feb, 2015
Why CO2 Flashing from Water is Important for CO2 EOR Flood Separators and Tanks
In this Tip of the Month (TOTM) we will discuss how to determine CO2 solubility and flashing issues in water at pressures and temperatures commonly associated with gathering systems and production facilities. This is mainly important for CO2 Enhanced Oil Recovery (EOR) floods as the CO2 concentration is high and the initial separation is at higher pressures than is common in non-CO2 EOR oilfields. These two conditions result in significant dissolving of CO2 into the produced water with resultant flash gas from downstream Free Water Knockouts (FWKO), treaters, and tanks. In mature CO2 EOR floods with Water-Alternating-Gas (WAG) injection schemes, it is likely that most of the flash gas in the downstream separations will be from the produced water. While this TOTM is significant mainly for CO2 EOR floods, the following analysis is general in nature; it would apply to other situations involving CO2 solubility in water issues. This analysis assumes that there is no H2S. H2S would have somewhat higher solubility than CO2 which would force more gas to flash from the FWKO and tanks. Higher H2S than about 5% would begin to appreciably increase the solubility of H2S into water.
Read More >4 Nov, 2014
Impact of Solution Gas on Crude Oil Properties in a Gathering Line
In the October 2014 Tip of the Month (TOTM), we demonstrated that Gas-Oil-Ratio (GOR) has a large impact on the capacity of crude oil gathering lines. In general as GOR increased the pressure drop increased which lowered the line capacity. In addition, at high pressures and low GOR, pressure drop was lower than the pressure drop for dead oil (solution gas is zero) because the viscosity of live oil is lower than viscosity of dead oil. This effect was bigger for the smaller line diameter. In this TOTM, we will study the impact of solution gas (Rs) on the crude oil properties in the gathering systems for one of the cases presented in the October 2014 TOTM. Specifically, the variation of the crude oil relative density and viscosity with the solution gas (Rs) will be studied. Finally, the impact of solution gas (Rs) on the oil and gas velocity and pressure drop along a gathering line for nominal pressure of 6900 kPag (1000 psig) and nominal pipe size of 101.6 mm (4 inches) will be demonstrated using multiphase rigorous method from a commercial simulator. The calculated properties, oil and gas velocities and pressure drops are presented in graphical format as a function of the oil stock tank volume flow rate and solution gas, Rs
Read More >7 Oct, 2014
Impact of Gas-Oil Ratio (GOR) on Crude Oil Pressure Drop in Gathering Systems
In the June 2008 Tip of the Month (TOTM), we demonstrated how general-purpose process simulation programs can be used to simulate gas dominated two-phase pipelines. In the August 2008 TOTM, we discussed the value of the simple Flanigan correlation and how it can be used to model and analyze the behavior of a wet gas transmission pipeline. The results of the Flanigan correlation were compared with more rigorous calculation methods for multiphase pipelines. In this TOTM, we will study the impact of gas-oil ratio (GOR) on pressure drop in crude oil gathering systems. Specifically, pressure drop along a gathering line for nominal pressures of 690, 3450, and 6900 kPag (100, 500, and 1000 psig) and nominal pipe size of 101.6 and 152.4 mm (4 and 6 inches) was calculated using multiphase rigorous method from commercial simulator. The calculated pressure drops are presented in graphical format as a function of the oil stock tank volume flow rate and GOR. Variation of thermophysical properties was considered.
Read More >14 Jan, 2014
Visit us at these conventions in 2014!
PetroSkills will be attending the following conferences in 2014. As always, these events give us a wonderful opportunity way to speak with industry professionals, hear feedback, discuss solutions, network, and identify the best ways to work together to improve competency for you and your organization.
Read More >26 Apr, 2013
New Course! Advanced Project Management
New Course! Advanced project management for project managers, asset managers, project control managers and project engineers. PetroSkills has responded to the industry’s growing need for tighter control and greater efficiency in large-scale project management with a new course in 2013: Advanced Project Management.
Read More >22 Apr, 2013
The Value of Competent People
In the first article in this 2-part series, Ford Brett describes the likely cost to the oil and gas industry of the Big Crew Change –the waste of the equivalent of 20% of total E&P expenditures, or more than US $35 billion per year. In the second article, he examines strategies to confront the looming competency gap.
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