(12) NEW GAS MITIGATION SOLUTION FOR UNCONVENTIONAL WELLS IN ESP (CASE STUDIES IN THE PERMIAN BASIN)
New unconventional wells have been a huge challenge for ESPs in the Permian Basin because in horizontal wells with high-formation GORs or GLRs, the pumped fluid can cause issues such as gas interference, gas locking, short run life, low production, poor energy efficiency, increased failure rates, shutdowns, so forth. A major problem is gas presence around the ESPs, it causes the motor to rapidly overheat because the gas is incapable of adequately cooling.
(11) NEW DESIGN CRITERIA FOR SAND CONTROL MANAGEMENT IN SUCKER ROD PUMP
Failures due to solid particles flowing with the production fluid is one of the main causes of interventions in wells with beam pumping systems. When this problem is accompanied with chemical deposits like scale, the interventions become very common operation in the well. This paper proposes an analytical methodology that consists of evaluation of the particle size distribution, viability for the use of sand screens and centrifugal separation systems for sand control management in wells with short run time.
(10) EFFORT TO IMPROVE DETERMINATION OF PUMP INTAKE PRESSURE FROM FLUID LEVEL
America needs energy. Good techniques (Vogel’s Method and Constant PI) exist for estimating production from wells. These are phrased in terms of pressure. Pressure is not easy to measure especially in deep gassy wells. Fluid level is a logical remedy for the problem and can be measured at virtually any depth. But this creates the need for a method for deriving pressure (PIP) from fluid level. Wally Gilbert derived the first method in 1955. It was not used widely because casing gas (mcf/d) had to be vented while measuring it. This was a pollution no-no, then and now. In 1983 Echometer (J.
(9) EFFORTS TO REDUCE THE COST OF STUCK PUMPS
Historically as many as 30% of bottom hold down pumps have been stuck. This can result in extra cost associated with pulling tubing on pump repairs or rod failures. This paper focuses on efforts with various tools and techniques that have been used to lessen the number of pumps stuck in tubing.
(8) RELATING MPRL/PPRL AND PRV TO FAILURE FREQUENCY
Relating Polished Rod Velocity and ratio of MPRL/PPRL to Failure Frequency. This study uses historical data to understand these relationships. The data is primarily from San Andres and Clearfork water floods and CO2 floods located in the Permian Basin.
(7) CONTROLLING PUMPING WELLS UTILIZING CALCULATED OR MEASURED DOWNHOLE PRESSURE
Current industry available technology offers pump off controllers (POC’s) that are triggered based on surface or calculated downhole parameters that indicate incomplete pump fillage. Industry experts agree that there may be a direct relationship between failure frequency (FF) and incomplete fillage cycles, which increase the overall cost of operation.
(6) CASING GAS SEPARATOR - A SIMPLE METHOD TO DOUBLE GAS SEPARATION CAPACITY IN NEW WELLS
A casing gas separator (CGS) is a safe to run, low-risk, and efficiency altering tool that pairs naturally with existing wellbore design and work practices to vastly improve gas handling and capacity in virtually any form of artificial lift.
(5) IMPROVED RESULTS IN ROD PUMPS WITH ISOLATED TAILPIPE THOUGH ADVANCEMENTS IN SYSTEM COMPONENTS AND ANALYSIS
Rod pumps with isolated tailpipe systems have been growing in popularity over the past few years and applied in basins all over the US. Some earlier system component designs had vital shortcomings that became more evident over time with the growing install base.
(4) INFLUENCE OF UNCONVENTIONAL METALLURGICAL VARIABLES ON MECHANICAL PROPERTIES OF API SUCKER RODS
Over 70% of the artificially lifted wells in the US are using sucker rod pumping systems. The sucker rod pumping system has been ameliorated during past years due to the high investment of companies and installers as performance of the sucker rod pumping system directly impacts production volume and consequently revenue of E&P companies. The sucker rod is one of the most vulnerable components of a sucker rod pumping system.
(3) NHT ROD GUIDES EXTEND LIFE IN HIGH TEMPERATURE WELLS
Synthetic Polyphthalamide (PPA) has greater resistance than many plastics to a broad range of chemicals and is widely used in the manufacture of sucker-rod guides when operating at depths where temperatures can reach 300℉ (149℃). However, while rated to 400℉, field experience has shown that under certain conditions, the service life of sucker-rod guides constructed of this material can be adversely affected at depths with temperatures as low as 220℉ in continuous use.