{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

lab3-pnge_312[1]

# lab3-pnge_312[1] - West Virginia University Department of...

This preview shows pages 1–6. Sign up to view the full content.

West Virginia University Department of Petroleum and Natural Gas Engineering PNGE 312: Drilling Fluids Laboratory EXPERIMENT Three Mud Density Control Section (001) Group: 1 Sultan Attiah February 8 th 2011

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Purpose of Experiment The objective of the experiment is to introduce the measurement of density of drilling fluids and how to control density. Laboratory equipment Used in the experiment Mud mixer: T o mix the clay with water.
Graduated Cylinder: To measure the required amount of water. Laboratory Balance: To measure the required weight of the clay.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Stop Watch : To record the viscosity of the drilling Fluid. Mud balance: To measure the mud density. Viscometer: To measure mud viscosity and the gel strength of the drilling fluid.
Mud cup: Procedure First, calculate the amount of water and clay (specific gravity =2.5) needed to prepare the samples by using the following equations: = / ρ m V = / γ ρ ρwater = / Vclay mclay ρclay = + + ρmud mwater mclayVwater Vclay ( )= ( ( )* )+( ( )) + ρmud final ρmud initial Vmud Xgm Barite Vmud VBarite After that, we got that 350 cm 3 of water and 17.9 gm of clay will be needed for this experiment and 22.2gm barite. Now, prepare a proper water that has volume of (350 cc) by Using the graduated cylinder and pour it into a mud cup. Then, prepare the required mass of Aquagel (in gm). Now, Place the mud cup under the mud mixer and add Aquagel to the water smoothly. After adding Aquagel to the water, stir the mud in the cup at least for 10 minutes to let the clay particles attached completely by water. Then, measure mud density of the sample by pouring sample into the small cup of the mud balance until it fill up the cup completely then cover the cup using the lid and measure the density by balancing the rod of the mud balance. Now it is time to measure the viscosity using the viscometer. Pour the rest of the sample into viscometer’s cup. Make sure you fill up the cup until the marked line. Stir mud at the highest possible RPM for 15 seconds to break up any gel strands. Now, Stop stirring and wait 10 seconds. Set dial to “Gel” then stir mud steadily at 3 RPM and record the reading. Secondly, again stir mud at the highest possible RPM for 15 seconds to break up any gel strands. Then, stir mud at 600 and 300 RPM until the reading is steady, and record the reading. After that, return the sample to the mud cup again and place it under the mud mixer. Add the prepared amount of barite to the mud smoothly and let it stir for at least 10 minutes. Repeat the same previous steps for measuring the density and viscosity of the new mud sample.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 12

lab3-pnge_312[1] - West Virginia University Department of...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online