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Standard Cementing Plug For Well Cementing Oil Rig Equipment Drilling Special Tools

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Standard Cementing Plug For Well Cementing Oil Rig Equipment Drilling Special Tools

Country/Region	china
City & Province	Shaanxi

Product Details

Oilfield Conventional Cementing Rubber Plugs

Non-Rotary Cementing/Wiper Plugs (Polyurethane)
This plug is used to separate the cement slurry from other fluids, reduce contamination, and maintain predictable slurry
performance and to clean various waste in the wall of the casing. Two types of cementing plugs are typically used on a cementing operation. The bottom plug is launched ahead of the cement slurry to minimize contamination by fluids inside the casing prior to cementing. A diaphragm in the plug body ruptures under 250~400psi easily to allow the cement slurry to pass through after the plug reaches the landing collar. The top plug has a solid body that provides positive indication of contact with the landing collar and bottom plug through an increase in pump pressure. This plug is tested strictly every batch by pressure chambers at different required pressure and temperature.

Oilfield Conventional Cementing Rubber Plugs Specification

Inch size	Bore Dia (mm)	Main body diameter(mm)		MM O.D(mm)		Labial ministry diameter(mm)		Length (mm)



		Rubber	Polyurethane	Rubber	Polyurethane	Rubber	Polyurethane
101	≥40	77~80	72~75	101~104	96~99	94~97	89~92	100~190
114	≥40	80~83	75~78	114~116	109~111	108~110	102~105	100~190
127	≥50	90~93	87~90	127~130	122~125	120~123	115~118	120~210
140	≥50	100~103	97~100	140~145	135~140	130~ 135	125~130	120~210
178	≥70	130~135	125~130	178~183	173~175	168~173	163~168	150~240
194		145~150	140~145	194~201	189~196	182~189	177~184	150~240
219		168~173	163~168	219~223	214~218	210~214	205~209	180~260
244		192~197	187~192	244~249	239~243	234~239	229~234	180~260
273		210~214	205~209	273~279	268~273	262~268	257~263	220~300
298		236~243	231~238	298~305	293~297	286~293	281~288	220~300
340		264~272	259~267	340~348	335~343	326~334	321~329	260~350
508	≥100	424~435	419~430	508~519	503~514	490~501	485~496	360~450