| dc.date.accessioned | 2023-09-08T04:42:30Z | |
| dc.date.available | 2023-09-08T04:42:30Z | |
| dc.date.issued | 2023-09-06 | |
| dc.identifier.uri | https://library.universitaspertamina.ac.id//xmlui/handle/123456789/10216 | |
| dc.description | The choices of formulation for making drilling fluid are important. The main functions of drilling fluid are circulating the rock cutting to the surface, lubricant and cooling the drill bit. Besides, the drilling fluid prevent the wellbore or formation collapse. The drilling fluid should’ve prevented any fluid loss circulation using several methods, such as lowered the penetration of bit rate, reducing the surface pressure and make a formulation if drilling fluid contains the loss circulation materials.
Drilling in shale formation must have contains the shale inhibitor or non-shale reactive to preventing the shale swelling happened. Shale swelling will cause the wellbore unstable during drilling activity, especially in water-sensitive shale and clay formation. Shale drilling issues in operation can affected to the non-productive time, one of a major kind is unreliably wellbore. Unreliably wellbore induced by the presence of clays prone to swelling, dispersion and sloughing. Shale quickly absorbs water from drilling fluid. The chemical properties of shale might cause fast expansion or dispersion of the shale matrix. Shale causes several drilling issues, particularly clay swelling, fines migration, borehole breakout, and so on.
The drilling fluid selection determine the optimum additives for drilling fluid that can be control the swelling in the wellbore, especially in NAMINO Field wellbore through the laboratory study. | en_US |
| dc.description.abstract | The choices of formulation for making drilling fluid are important to prevent the wellbore or formation collapse. Drilling in shale formation must have contains the shale inhibitor or non-shale reactive to preventing the shale swelling happened. Shale swelling will cause the wellbore unstable during drilling activity, especially in water-sensitive shale and clay formation. The drilling fluid selection determine the optimum additives of drilling fluid that can be control the swelling in the wellbore, especially in NAMINO Field wellbore through the laboratory study.
The sample cutting used was from NAMINO field. As a result, variation concentration of potassium chloride (KCl) with 0.5% concentration of xanthan gum (XCD) shows the least filtrate loss around 5.6 ml and swelling result is 7.2%, thus, indicates as the optimum additives to swelling control. Sample N20 shows the optimum drilling fluid formulation to control the swelling by reduced the swelling result in NAMINO Field wellbore. The swelling percentages of N20 sample is 7.2%. In conclusion, drilling fluid contains 3% bentonite, 2% starch, 0.5% xanthan gum (XCD), 3.4% potassium chloride (KCl) in 350 cc fresh water. In addition, potassium chloride (KCl) has effectiveness to control swelling at NAMINO Field wellbore than polyamine. | en_US |
| dc.language.iso | en_US | en_US |
| dc.title | Comparation of Shale Stabilizer Materials (Polyamine, Potassium Chloride (KCl) and Xanthan Gum (XCD)) To Control Swelling at NAMINO Field. | en_US |
| dc.type | Thesis | en_US |
