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How Solids Control Equipment Works from Eric Tian on Vimeo.
How does solids control equipment, disposal services and fluids management practices in Steam Assisted Gravity Drainage (SAGD) drilling operations quickly and efficiently.
How does solids control equipment, disposal services and fluids management practices in Steam Assisted Gravity Drainage (SAGD) drilling operations quickly and efficiently.
ShaleShaker #SolidsControlEquipment
Principle: Simply speaking, mud gas separator is used to separate the invaded gas among drilling fluid. Transfer the gas to the flare ignitor or the gas storage unit.The drilling fluid with gas will flow into mud gas separator from a high pressure hose under the gravity of the gas will be removed to the vent … Continue reading "Mud gas separators"
Mud Gas Separator is commonly called a gas-buster or poor boy degasser. It captures and separates large volume of free gas within the drilling fluid. If there is a “KICK” situation, this vessel separates the mud and the gas by allowing it to flow over baffle plates. The gas then is forced to flow through … Continue reading "Mud gas separator"
Stuck pipe or sticking and lost circulation are the two main events which cause Non-productive time (NPT) in the drilling industry. A considerable amount of time and resources can be spent in efforts to free a stuck pipe. Sometimes, stuck pipe events result in breakage (either intentional or non-intentional) of the drill string leading to … Continue reading "Study Analysis of Stuck Pipe Incidents"
Good solids-removal equipment operation, including that of shale shakers, helps prevent these problems. This section contains comments directed specifically toward rig hands who control solids-separation operations. The information was first published in the American Association of Drilling Engineers’ (AADE) Shale Shakers and Drilling Fluid Systems book as a short, succinct guide for rig hands. Appreciation … Continue reading "SOLIDS CONTROL GUIDELINES"
Drilling waste can be stocked in the waste pit or collected by trucks or vacuum truck, and dumped near the site work for treatment. In the past decants, economic development is the main concern of most countries and governments. It generates huge quantity of pollution and wastes. One kind of waste is the polluted soil. … Continue reading "Heavy contaminated soil cleaning and recovery system"
Shale In general, thick shale sections cause problems with UBD. They slough or cave into the hole. This is probably due to thick shale sections having some elements of laminating, geo pressuring, or sensitivity to water. As a general rule, thick shale sections should not be drilled underbalanced. In the special case of air/gas drilling, … Continue reading "UNDERBALANCED DRILLING SOLIDS-CONTROL POSSIBLE PROBLEMS"
The destination, or method of disposal, is one of the major factors in designing the solids-control system for UBD. In the best of all cases, produced oil and water can be skimmed off, cleaned, and sent into the field production system. The solids can be partly dewatered for appropriate disposal. On the other hand, if … Continue reading "SOLIDS-CONTROL SYSTEM FOR UBD"
UBD or ‘‘balanced’’ drilling with conventional drilling fluids is no different than conventional overbalanced drilling as far as basic solids control is concerned. Special pressure-control equipment is required to control well pressures as they occur. A rotating head, choke, and separator are basic to UBD systems (Figure 1). Use of this equipment modifies the methods … Continue reading "UNDERBALANCED DRILLING WITH CONVENTIONAL DRILLING FLUIDS OR WEIGHTED DRILLING FLUIDS"
Liquid/gas systems use 75% to 100% of the volume of drilling fluid required (for a 120-ft/min annular velocity) with typical fluid systems. These systems may be water/air, water/nitrogen, oil/gas, or oil/nitrogen. The ratio of gas to liquid is in the range of 10/1 to 50/1. Typically, for an 8¾-inch hole, the fluid volume will be … Continue reading "LIQUID/GAS (GAS-EATES) SYSTEMS"
The extreme underbalance that results when drilling with air or gas allows large disc-shaped cuttings to break from the formation with the impact of the bit tooth. These cuttings are degraded to dust as the turbulent air lifts them to the surface. Solids control while air drilling (including natural gas and nitrogen) consists of controlling … Continue reading "AIR/GAS DRILLING"
Underbalanced drilling (UBD) is defined as ‘‘deliberately drilling into a formation in which the formation pressure, or pore pressure, is greater than the pressure exerted by the annular fluid or gas column’’ (IBD HSE Forum, IADC 2002). In this respect, ‘‘balanced’’ pressure drilling is a subcategory of underbalanced drilling because the annular pressure may fall … Continue reading "UNDERBALANCED DRILLING FUNDAMENTALS"
Here was some basic rule for how to use centrifugal pumps efficiency and safety. And it’s very important. Never install a suction line smaller than the pump suction, as this can cause NPSH deprivation. Never close or throttle the pump suction valve while the pump is operating. Prime the pump and purge all air from … Continue reading "STANDARD RULES FOR CENTRIFUGAL PUMPS"
centrifugal pump
In addition to selecting the proper suction pipe diameter and having adequate NPSHA, the submergence level and suction pipe configuration must be considered. Submergence level is the depth of the suction pipe inlet below the liquid surface. If an inadequate submergence level exists, an air vortex will form that extends from the liquid surface to … Continue reading "RECOMMENDED SUCTION PIPE CONFIGURATIONS"
When replacing a motor, its exact dimensions, as well as speed, hp, and torque characteristics should be determined and duplicated if the same performance is desired. When replacing a motor, the entire system should be inspected for internal and external degradation. Neither the motor mounting nor the mechanical coupling should exhibit signs of wear. The … Continue reading "MOTOR INSTALLATION AND TROUBLESHOOTING"