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4 06, 2020

ICD Erosion Simulation

Erosion effects on Flow Control Device performance A major thermal operator contacted C-FER to investigate the effects of erosion on Inflow Control Devices (ICDs) and how their performance may change over +20 years in a SAGD well. The long-term performance of these ICDs heavily influences the economics of SAGD production and is a key design consideration for all thermal operators. Unfortunately, erosion mechanisms (and erosion testing) can be quite complex, and trying to evaluate erosion under the high temperature multiphase flow conditions in a SAGD well is even more challenging. In-Flow Control Device (ICD) insitu erosion simulation C-FER designed [...]

4 06, 2020

Custom Flow Loops and Standards

Custom Flow Loop Testing In addition to C-FER’s existing flow loops, C-FER has the capability to provide custom testing solutions. C-FER has extensive experience in the design, construction and operation of experimental flow loops tailored to meet specific testing needs. All flow loops incorporate C-FER’s custom data acquisition and control systems. C-FER’s custom flow loops can utilize include other facilities including: Deep Well Simulator - a 46 m deep well located directly within C-FER’s la, and; Special Environments Laboratory  - for tests that simulate corrosive, toxic or explosive environments. Testing To Standards Flow testing to existing standards and recommended [...]

4 06, 2020

Gas Well Deliquification Flow Loop

C-FER designed and built the Gas Well Deliquification Flow Loop (DFL) to perform qualification and performance tests on novel gas well deliquification technologies. The loop uses water, oil, air, or a water/solids mixture as the test fluid. This flow loop provides the client with a low risk, affordable opportunity to learn how their system functions under specific test conditions prior to deployment in the field. The instrumentation is also easily movable off-site to a controlled “test well” for testing under more realistic conditions. C-FER currently has the majority of the necessary wellhead equipment, 4 ½” casing, and coiled tubing [...]

3 06, 2020

Seal Evaluation for Premium Connections

Torque-turns measurement during makeup is insufficient to indicate seal integrity Operators require gas tight connections for a variety of applications including thermal, HPHT and tight oil wells. Premium connections that incorporate a metal-to-metal seal near the nose of the casing pin end can provide this level of seal performance. Premium connections do not follow a specific design code. Their performance can vary considerably among manufacturers and even among different casing sizes. Conventional torque-turns measurements during connection assembly are not adequate to confirm proper metal-to-metal seal engagement. Ultrasonic inspection of seal surface indicates seal quality C-FER has developed a [...]

4 06, 2020

High Temperature Pump Testing

The High Temperature Flow Loop is used to carefully test the performance of downhole pumping systems over a range of operating temperatures, pressures, flowrates and gas/liquid ratios. This custom loop includes an 90 ft long, 244.5 mm OD (9 5/8", 40 lb/ft), casing section. The section is orientated at 3° off horizontal to mimic a “typical” SAGD production well where the artificial lift system can be positioned. Over the years, the flow loop has been upgraded numerous times. It is used to independently test the performance, reliability, and degradation of some of the newest forms of high temperature artificial [...]

4 05, 2020

Evaluating the Benefits of Solvents and Flow Control Devices (FCDs) for Thermal Production

Evaluating solvent-enhanced thermal processes to replace or supplement recovery In SAGD operations Downhole Flow Control Devices (FCDs) installed in Steam Assisted Gravity Drainage (SAGD) wells have been shown to reduce the Cumulative Steam Oil Ratio and increase net oil recovery. When used correctly, FCDs can provide improved efficiency over "traditional" SAGD and a lower GHG intensity per unity of production. At the same time, the industry has been evaluating a variety of solvent-enhanced thermal processes to replace or supplement recovery. These processes typically use various combinations of hydrocarbon solvents and Non-Condensable Gases (NCGs) to replace some or all of [...]

22 02, 2020

High Temperature FCD Characterization

Choosing the right Flow Control Device (FCD) to maximize well performance Flow Control Device (FCD) technology has revolutionized Steam Assisted Gravity Drainage (SAGD). When used correctly FCDs can lower Steam Oil Ratios (SORs) and increase production. This improves SAGD economics and greatly lowers Green House Gas (GHG) emissions. The challenge for Operators is knowing which type of FCD technology is best for their wells. To choose the right technology, it’s important to first understand the complex, multiphase hydraulic performance of FCDs under SAGD representative conditions. Operators can use this information in their coupled thermal-hydraulic reservoir models to predict their [...]

22 02, 2020

Special Environments Laboratory

Sour gas, what is it really doing to your equipment? C-FER's Special Environments Laboratory (SEL) is one of the world's largest and most comprehensive containment test facilities. This unique facility is utilized for tests that simulate corrosive, toxic or explosive environments. The primary use of the SEL is for sour testing with combinations of hydrogen sulfide (H2S), carbon dioxide (CO2) and corrosive liquids, often following NACE testing fluid specifications. Unique facility houses two containment chambers design for full scale testing in toxic and corrosive environments To safely conduct these tests, C-FER has rigorous safety procedures in place [...]

22 02, 2020

Combined Torsion and Axial Load Testing

Torsion Testing Unit Overview The Torsion Testing Unit (TTU) features a supplemental bending apparatus to simulate pump installations in curved wellbores. A hydraulic accumulator system can simulate shock torsional loads that might occur during pump operation or during unplanned shut downs. The TTU is capable of applying torque of 16,300 NM (12,000 ft-lb) and axial tension up to 670 kN (150,000 lb). Sucker rod specimens included standard single rods, rods with threaded couplings and continuous rod. Sucker Rod Testing Sucker rod strength can be verified by applying a static axial load and ramping torsion to failure. A [...]

15 04, 2020

How can pipeline operators evaluate novel non-welding repair technologies?

Flaws and defects in pipelines can result in significant problems. Fortunately, a new generation of tools are now available to detect circumferential crack-like features. Once detected, pipeline operators have a few options to repair these flaws: Replace the section of pipe; Weld a metal sleeve over an extended area; or Use any one of many possible non-welded repair technologies. One main challenge for operators is choosing the right repair solution for their specific operating conditions. Why not repair the flaw with traditional welding? Welding a metal sleeve is the traditional approach, but it can also create problems. [...]

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