Buy API 12J: SPECIFICATION FOR OIL AND GAS SEPARATORS from SAI Global. Status: Check Published. Norwegian title: Specification for Oil and Gas Separators, Eighth Edition. English title: Specification for Oil and Gas Separators, Eighth. API SPEC 12J: Specification for Oil and Gas Separators. API SPEC 12J. Edition, October Complete Document. Specification for Oil and Gas.

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Equation 6 is called Editio equation and K S is referred to as the design parameter. Did you enjoy this post? August 25, at 3: Posted on September 1, at Please contact me to discuss a possible consulting project with your company regarding the design of gas-liquid separators. The mist extractor is the final gas cleaning device in a conventional separator. Vane packs, like mesh pads, capture droplets primarily by inertial impaction. For more information about these services, visit our website at http: If we consider a spherical liquid droplet with apk diameter of, D Pin the gas phase two forces as shown in Figure 1 act on it.

December 28, at 4: In the December tip of the month TOTM [1], we discussed troubleshooting of gas-liquid separators for removal of liquids from the gas stream leaving the separator. Mist extractor capacity is defined by the gas velocity at which re-entrainment of the liquid collected in the device becomes appreciable. Mesh pad K S deration factors as a function of pressure [5].

There are two methods for sizing gas-liquid separators: Especially for sizing horizontal separators. September 18, at 8: Standards monitoring is a free service designed for you who wish to be alerted of changes to or new editions of the standards required in your work.

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This dependency of K S on pressure and droplet apo is presented in Figure 2 [5]. Most mist extractors have limitations on the amount of entrained liquid droplets that can be efficiently removed from the gas, thus the importance of the gas gravity section to remove the liquids to an acceptable level upstream of the mist extractor.

It would be more useful if nozzle sizing were also included. Want to read more articles like this? Its value depends on several factors including:. Schematic of the forces acting on a liquid droplet in the gas phase [5]. This rate should allow all liquid droplets larger than 10 microns to settle out of the gas.

Table 6 provides vane pack performance characteristics [3, 5, 8]. For practical applications, the first term on the right hand side is replaced by K S. Recieve ediyion post updates: Some folks want its length to be less than 4 feet.

Gas-Liquid Separators Sizing Parameter | Campbell Tip of the Month

For more information about such agreements, or product availability as hardcopy, please contact us by phone 67 83 87 00 or email salg standard. Appi this TOTM, we will focus on the application of Souders-Brown approach in gas-liquid separators and present diagram, simple correlations and tables to estimate the Souders-Brown equation constant, K S the so called sizing parameter. The two curves for micron droplet size in Figure 2 were divided into 4 and 2 segments based on pressure range for the lower and upper curves, respectively.

The maximum allowable superficial velocity or other design criteria should be considered for other type mist extractor. One can also use the appropriate value of K S to size the mist extractor in the vessel. Once the maximum gas velocity, V Gmaxthrough the vessel is determined by Equation 2, one can calculate the minimum vessel diameter, D min by Equation 3. The vane bend angles force the gas to change direction while the higher density liquid droplets tend editiin travel in a straight-line path, and impact the surface of the vane where they are collected and removed from the gas flow.

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The primary separation mechanism is liquid impingement onto the wires, followed by coalescence into droplets large enough to disengage from the mesh pad. What technique t8h I use to design a gas liquid separator for coupling analytical instruments e. Leave us a Comment below! Read more about subscriptions. You need to log in before adding standards to the monitoring service.

Your email address will not be published. View all posts by: Notify me of new posts by email. Leave a Reply Cancel reply Your email address will not be published. Figure 4 shows the location and function of a typical mist extractor in a vertical separator.

API Spec 12J

Can you tell me how the length of a Vertical Gravity Separator is sized once the diameter is calculated? For vertical separators with no mist extractor devices, Chap 11, Vol 2 of the Gas Conditioning and Processing book presents K S as a function of pressure and liquid droplet size [5].

The agreement lasts for three years, and the fee is charged once per year. The moment new editions of the standards you monitor are released, changes are made, or appendixes are published, you will be alerted by editiom. PetroSkills offers consulting expertise on this subject and many others. Access to the horizontal separator sizing is by subscription. Gas-Liquid Separators Sizing Parameter. Do you have a response to this question?