OILWELL. DRILLING. ENGINEERING. & computer programs. MITCHELL. Page 2 . Page 3. Page 4. Page 5. Page 6. Page 7. Page 8. Page 9. Page Page Drilling raukhamatfrogal.cf Abdelrazig Algapaili. Drilling Engineering ABD ELRAZIG MASOUD Drilling Engineering ABD ELRAZIG MASOUD Oil. In some cases, 1 z Drilling Engineering the plan must be altered during the course of drilling the well when unforeseen drilling problems endanger the crew.

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mechanical components for land and offshore drilling rigs, complete land drilling Solution Groups. • Downhole. • Drilling. • Engineering & Project Management. Chapter 1_Introduction to drilling engineering raukhamatfrogal.cf - Download as PDF File ( .pdf), Text File .txt) or view presentation slides online. raukhamatfrogal.cf - Ebook download as PDF File .pdf), Text File .txt) or read book online. Applied Drilling Engineering – Adam T. Bourgoyne – SPE Textbook.


Mobile units jack-ups. Steam boilers are rarely used in present operations due to the difficulty in transporting the boilers. These can be steam engines. Power-System Performance Characteristics … If the fuel consumption rate was A diesel engine gives an output torque of 1. Used to lower or raise drill strings.

Derrick and substructure 2. Block and tackle 3. Principal Components: Rig Components Hoisting System 67 DERRICK -The function of a derrick is to provide vertical height required to the raising and lowering of drill string into and out of borehole -Rated according to their ability to withstand compressive loads and wind loads Two type of Derricks: Standard Derricks.

It is of bolted construction and assembled part by part Mast — A portable derrick. Stands composed of two.

Drilling line The drilling line is threaded reeved over a set of sheaves in the top of the derrick. Crown block 2. Travelling block 3. Components of Drilling hook is used the hoisting to suspend the system drillstring or downhole 72 equipment is suspended from the travelling block. Fastline — it is wound onto the drawworks and usually reeved around the blocks several times moving line. Ff and dead line Fd in a frictionless system can be determined from: Derrick Design Total load applied to the derrick: Depends on the arrangement of the hoisting system on the derrick floor.

A maximum equivalent derrick load. Derrick legs must be designed such that they do not fail under FA compressive load. FA is the maximum load. Derrick Design A parameter called derrick efficiency factor is used to evaluate various drilling line arrangements.

Maximum equivalent derrick load 6.

Static tension in the fast line when upward motion is impending 2. Maximum hook horsepower 3. Actual derrick load 5.

Maximum hoisting speed 4. Example 1 86 A rig must hoist a load of Calculate i the static tension in the fast line when upward motion is impending. Eight lines are strung between the crown block and traveling block.

The drawworks can provide an input power to the block and tackle system as high as hp. The tension in the fast line is: W Ten lines are strung between the crown block and traveling block. Exercise 89 A rig must hoist a load of Sketch of slips for drill pipe a.

Drillpipe is then removed by attaching pipe elevators to the drillpipe and using the drum hoist to raise the drillpipe above the rig floor. Setting slips 3.


Tripping out Pulling the drillstring from the hole 92 1. Kelly bushing and swivel from the topmost joint and stacking them in the rat hole.

Breaking the Kelly. Kelly 3. Rotary Drive 4.

Drill Pipe 6. Square or Hexagonal to be gripped easily. Drill Collar 1.

Bourgoyne A.T.Jr. et al. Applied Drilling Engineering

Supports the weight of the drillstring and permits rotation 2. Rotary Table 5. Torque is transmitting through kelly bushings.

Swivel 2. Drill Collar: Applied Drilling Engineering by Adam T. Abdur Razzaq rated it it was amazing Jun 20, Description An industry and academic standard, Applied Drilling Engineering presents engineering science fundamentals as well as examples of engineering applications involving those fundamentals.

Two appendices are included, along with numerous examples. Be the first to ask a question about Applied Drilling Engineering. Thanks for telling us about the problem.

Answers are included for every end-of-chapter question. Swabbing is another effect that may cause a kick. If the effective hydrostatic pressure is reduced below formation pressure a kick situation may be the outcome. It is therefore important that certain parameters are carefully monitored, such as tripping speed, hole configurations, mud properties, and the effect of "balled" equipment.

Course Content

Balled equipment is when clay, sandstone etc. This increases the swab effect. Gas cut mud.

Kick caused by gas cut mud are not common. When drilling formations containing hydrocarbons, small amounts of gas from the drilled out formation will be present in the well. The gas within the cuttings will on its way up to the surface be released and it expands and reduces the hydrostatic pressure and this can lead to a kick. Lost circulation.

Petroleum Engineering Handbook: Drilling Engineering Vol. 2

Lost circulation may also lead to a kick scenario. One outcome is loss of drilling fluid when entering a zone with high permeability, this happens because the formation is unable to prevent drilling fluid from entering the permeable zone. Another aspect is if the weight of drilling mud is too high compared to the formation strength. The increased hydrostatic pressure may exceed the fracture pressure creating cracks where mud can be lost. For both cases above, mud level in the annulus will fall with the result that bottom hole pressure is reduced.

Should the hydrostatic pressure in the wellbore go beneath the formation pressure, influx of formation fluids will be a result and a kick is in progress. The severity of the kick will depend on the amount of wellbore fluid lost to the formation and how low the wellbore pressure gets compare to the formation pressure differential pressure.

Write all steps. Since there are several variations in the procedures used to shut in a well with a surface stack while drilling, it is important that everyone be familiar with and adheres to the procedures on the rig. For instructional purposes, an example shut-in procedure that has been successfully used follows: 1.

Stop the rotary and sound the alarm. Pick up the drill string until the Kelly saver sub is above the rotary table. Prior space out should be made to ensure that a tool joint is not in a ram BOP when the string is picked up. On rigs with top drives, raise the string to the first space out point that ensures the bit is at least a few feet off bottom.

Stop the pumps. Check for flow. If the well flows, open the line from a BOP outlet to the choke manifold. Close the BOP usually the annular preventer. Close the choke. The choke to be used, as well as other valves in the intended flow path through the manifold, should initially be in the open position. Confirm that all flow from the well has stopped. No flow should occur from the choke manifold, the bell nipple, or back through the drill stem. With the well fully shut in, allow a few minutes for pressures to stabilize; then, record shut-in drill pipe pressure SIDPP.

Record shut-in casing pressure SICP.In the interval in between, hydrocarbons have migrated upward and are captured below the caprock.

Blasting and Explosives Quick Reference Guide This is one method to establish a more correct pore pressure curve than the prognosis. In oil and gas reservoirs, the water is locally replaced with hydrocarbons. Stripping the pipe means moving the pipe with the preventer closed.

Azimuth Thrusters, http: An extensive range of drill diameters and lengths.

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