000			02909ntm a2200349 i 4500
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008			260806t20252025my a|||fr|||| 000 0 eng d
020			_aTHE0010914 (Local) _qHardback
040			_aUMPSA _beng _cUMPSA _erda
090			_aFTKKP .Z35 2025 r Bc.
100	0		_aMohammad Zaaim Bin Molsar, _eauthor.
245	1	0	_aEnhancing thermal stability and performance of lignosulfonate-based drilling fluids through sulfonation in the presence of phosphorous compounds for high-temperature oil well applications / _cMohammad Zaaim Bin Molsar
264		1	_aKuantan, Pahang : _bUMPSA, _c2025
264		4	_c© 2025
300			_avii, 39 pages : _billustrations ;
336			_2rdacontent _atext
337			_2rdamedia _aunmediated
338			_2rdacarrier _avolume
347			_2rda _atext file _bPDF
500			_aFaculty of Chemical and Process Engineering Technology
502			_aFinal Year Report (Bachelor of Technology Mechanical Engineering (Petroleum) with Hons ) -- Universiti Malaysia Pahang Al-Sultan Abdullah - 2025
504			_aInclude bibliographical reference
520	3		_aDrilling operations require mud systems for withstanding high temperatures. This can be achieved by using novel substances equipped with the potential for high-density drilling fluids and better environmental compliance. The shortcoming in this regard is experienced in high-temperature zones whereby drilling fluids such as lignosulfonates do not show anticipated intended performances. This study deals with modification in lignosulfonates by using phosphorous compounds. Such a fundamental scientific approach addresses rheology, thermal stability, and fluid loss from 30-200°C perforations. These modified materials were established through diverse characterization techniques including FTIR, TGA, SEM, XRD, elucidating that chemical modifications were successful, and the structures were modified. Sympathetic fluids will develop an optimized rheological performance where viscosity, gel strength, and yield, as well as thermal stability, are treated. With high-temperature filtration tests, the new lignosulfonates in drilling fluids managed effectively lower fluid loss while keeping mud cake integrity intact. These results will build evidence to suggest that phosphorusmodified lignosulfonates can potentially contribute to the enhanced efficiency and environmentally sustainable operation of high-temperature oil wells. Field tests are necessary for the next consideration, so that further optimization may be implemented with the goal of industrial development.
610	2	0	_aFaculty of Chemical and Process Engineering Technology _xDissertations
650		0	_aUniversities and colleges _xDissertations
650		0	_aTheses _xDissertations
856			_uhttps://umpir.ump.edu.my/id/eprint/48052
942			_2lcc _cPSM
999			_c105410 _d105416