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Product Details

Washover pipe

Washover proceed is the efficient way for freeing the stuck accidents during the downhole operation. It is almost suitable for various stuck accidents. When the stuck accidents happen in downhole, it can free the stuck tools in short time, releasing you anxiety.

Washover pipe is the necessary tool for doing the washing operation. It adopts the connection of high strength pipe material and two-stage thread to assure the requirement of washing, avoiding some phenomenal such as the screw thread slipping, leaking, pipe breaking off, sticking pipe and so on which occurred by using common pipe. Therefore, it satisfies the need of the washing operation that the specifications of ordinary wash over cannot meet. For instance, washing the drill collar 8"in the 9 5/8"borehole and the drill collar 7"in the 8 1/2"borehole.

The two-stage thread used on the wash over pipe is a new-type connection, producing in the 80’s in America. Especially, the special wash over pipe is a serial product.

Table 1 The specifications and main parameters

TYPE	O.D mm	I.D mm	Min O.D Of using mm	Diameter of the fish To be Cut mm	Max.Tensile Load kN	Max. Working TorqueN•m	Sealing Pressure MPa
TXG114.30-8.56	114.30	97.18	120.65	80.90	390	9490	20
TXG127-9.19	127.00	108.62	146.05	101.60	440	12202	20
TXG139.70-9.17	139.70	121.36	152.4	117.48	500	14914	20
TXG146.05-7.92	146.05	130.21	161.93	127.00	500	14914	20
TXG146.05-9.00	146.05	128.05	161.93	120.65	560	16269	20
TXG168.28-8.94	168.28	150.39	187.33	142.88	600	21693	15
TXG177.80-9.19	177.80	159.42	200.03	152.40	640	24404	15
TXG193.68-9.53	193.68	174.63	212.73	168.28	700	31183	15
TXG193.68-10.92	193.68	171.83	212.73	165.10	810	36607	15
TXG193.68-12.70	193.68	168.28	212.73	161.93	1060	43386	15
TXG203.20-9.53	203.20	184.15	215.90	177.00	820	32539	15
TXG206.38-9.40	206.38	187.58	215.90	177.80	830	32539	15
TXG219.07-11.43	219.07	196.21	244.48	187.33	1100	47453	15
TXG219.07-12.70	219.07	193.67	244.48	184.15	1220	54232	15
TXG228.60-10.80	228.60	207.01	250.83	200.03	1260	47453	15
TXG244.48-11.99	244.48	220.50	266.70	212.73	1450	67791	15
TXG244.48-13.84	244.48	216.80	266.70	206.37	1560	81349	15
TXG273.05-11.43	273.05	250.19	290.45	238.13	1620	81349	15
TXG273.05-12.57	273.05	247.91	298.45	234.95	1640	88128	15
TXG298.44-12.42	298.44	273.60	323.85	263.53	1800	108465	10
TXG339.72-13.06	339.72	313.60	365.13	301.62	2020	149140	10
TXG406.40-16.66	406.40	373.08	444.50	355.60	2500	254894	7.0

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