1-20 of 1605 Search Results for

Cement slurry weighting agents

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
OIJ 2021 (07): 14–17.
Paper Number: OIJ-2021-07-014-017-RU
Published: 01 July 2021
... of circulation is a typical problem for the most of the Tatarstan fields, so, best practices have been established during the decades. Two-stage cementing technique and light-weight cement slurries are used to provide top of cement up to the wellhead. Light-weight cementing slurry is prepared by adding agents...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 20–22, 2015
Paper Number: SPE-176203-MS
... and formulation cement chemistry drilling fluids and materials Upstream Oil & Gas salt concentration composition compressive strength drilling fluid formulation displacement fluid loss weighting agent slurry high-density cement slurry drilling fluid property casing and cementing concentration...
Proceedings Papers

Paper presented at the European Petroleum Conference, November 16–18, 1992
Paper Number: SPE-24976-MS
... SPE Members Abstract A new technique has been developed for densified slurry cementing operations employing a new mix-water dispersible weighting agent. This approach has overcome many logistical, quality control and slurry design problems encountered with conventional dry-blended weighting...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19148-MS
... by pump stop, the thixotropic agents should not thicken the cement slurry too much, and the structural force formed by thixotropic material should be weak non- chemical force and easy to be destroyed. 3. To avoid the temperature influence on thixotropy, a copolymer with high molecular weight which...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Caspian Technical Conference, October 5–7, 2021
Paper Number: SPE-207016-MS
...Abstract Abstract Well cementing in high temperature and hydrogen sulfide (H 2 S) corrosive environment presents challenges in preventing cement compressive strength retrogression and selecting weighting agents inert to H 2 S. This paper presents the development of a cementing system for high...
Proceedings Papers

Paper presented at the SPE Gas & Oil Technology Showcase and Conference, October 21–23, 2019
Paper Number: SPE-198630-MS
.... Conventional cement slurry had 5% by weight of cement (BWOC) of low temperature expanding additive. As can be seen in Fig. 2 , a linear expansion reached up to 1% within 10 days, and 1.5 % linear expansion after 34 days. Table 1 Conventional cement slurry with expanding agent recipe and properties...
Proceedings Papers

Paper presented at the Offshore Mediterranean Conference and Exhibition, March 25–27, 2009
Paper Number: OMC-2009-031
... to the development of some highly innovative cement slurry systems. Chief among the innovations introduced has been the use of manganese tetraoxide as a weighting agent, instead of the traditional hematite. Pre-blended into the mix water, rather than dry blended into the cement powder, this additive has had...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194092-MS
.... The dosages of zinc-based expansive agent used in this study were 0.05% and 0.09% (by weight of cement). Aluminum-based expansive agent was added to the mixtures at 0.2% and 0.4% (by weight of cement) to evaluate its impact on shrinkage behavior of OPC and geopolymer slurries. The chemical shrinkage...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29397-MS
...-strength retrogression agent even in weighted (15.0 ppg) or light weight (14.5 ppg) slurries. The sustainability of a renewable silica source makes the RHA an interesting alternative to the usual silica flour. rha compressive strength reaction upstream oil & gas cement slurry casing...
Proceedings Papers

Paper presented at the International Oil & Gas Conference and Exhibition in China, December 5–7, 2006
Paper Number: SPE-104443-MS
... of the casing being completely filled with cement slurry. But cement slurry has a solidification process from its initial curing to final curing. The higher the solidification, the more difficult it is for the fluid column weight of the cement slurry to pass to the cement and the reservoirs. During this period...
Proceedings Papers

Paper presented at the International Symposium on Oilfield Chemistry, February 5–7, 2003
Paper Number: SPE-80244-MS
... of a base cement slurry consisting of Portland Class H cement, 35% finely ground crystalline silica by weight of Portland cement (BWOC), 19.15 % iron oxide weighting agent BWOC, 0.1% hydroxypropyl guar suspending agent BWOC and 2% of each foamed cement retarder candidate BWOC mixed in a two-liter Waring...
Proceedings Papers

Paper presented at the Middle East Drilling Technology Conference & Exhibition, October 26–28, 2009
Paper Number: SPE-125175-MS
... to the development of some highly innovative cement slurry systems. Chief among the innovations introduced has been the use of manganese tetraoxide as a weighting agent, instead of the traditional hematite. Pre-blended into the mix water, rather than dry blended into the cement powder, this additive has had...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 9–12, 2020
Paper Number: SPE-202748-MS
...-resin slurry formulation testing and field application. Cement Slurry was designed with suitable rheology and thickening time. This was done by utilizing enough curing agent into the cement-resin slurry. This study also highlights a successful field deployment to cement a 9 5/8-in liner tie-back job...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-040
... quality and zonal isolation. well section account drilling fluid formulation compatibility property fluid system application weighting agent cement slurry displacement efficiency drilling fluid management & disposal spacer fluid upstream oil & gas drilling fluids and materials...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199242-MS
... between the drilling fluid and cement slurry to displace the drilling fluid during the cement job. Its purpose is to clean the pipe and wellbore for improved cement bonding. The composition of a non-aqueous spacer system includes a gelling agent to control viscosity, a weighting agent to vary the density...
Proceedings Papers

Paper presented at the SPE Middle East Unconventional Gas Conference and Exhibition, January 31–February 2, 2011
Paper Number: SPE-142150-MS
... additive types that were specified were: Weighting Agent – Manganese Tetraoxide and Hematite were the two available weighting additives. For these critical cementations Manganese Tetraoxide was the preferred additive. Being an inert fine grind weighting material it improved slurry rheological...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19553-MS
... water/cement ratio, and filtered following the operating procedure of API. The filtered mud cake was heated under 100±5°C, and 1g of the heated mud cake was treated with 50mL of 15%HCl+2%HF under 90°C. Drying the treated residue and weighting, acidification of the plugging agent LTTD could be calculated...
Proceedings Papers

Paper presented at the SPE Gas & Oil Technology Showcase and Conference, October 21–23, 2019
Paper Number: SPE-198581-MS
... aqueous solution is used as a fluid loss agent; it can withstand temperatures up to 180°C. The dispersant is a sulfonated ketone-aldehyde condensing agent and the weighting agent of the high-density cement slurry is hematite with 5.05~6.0 g/cm 3 . Since the temperature exceeds 110°C, 30-40% (by weight...
Proceedings Papers

Paper presented at the SPE Oklahoma City Oil and Gas Symposium, March 27–31, 2017
Paper Number: SPE-185123-MS
... what is seen under dynamic conditions ( Sabins 1993 and Wilson 1988 ). The spacer system was pumped with 1.2 ppb viscosifying agent, 2 gpb mutual solvent, 2 gpb surfactant agent and weighting agent at a density of 11.8 ppg to remove 10.5 ppg oil-based mud. The lead cement slurry was mixed from...
Proceedings Papers

Paper presented at the Middle East Oil Technical Conference and Exhibition, March 14–17, 1983
Paper Number: SPE-11486-MS
... compositions. preparing light weight cementing compositions. Many times these are overlooked when selecting a slurry design for a particular well. In general: * As the slurry weight decreases the amount of added water increases * As the slurry weight decreases the slurry yield increases...

Product(s) added to cart

Close Modal