Tubing Pumps

The workover process of tubing pump is: firstly the barrel being connected to the tubing is directly run into the well at desired depth and then the plunger is run into the barrel with the sucker rod. The applicable tubing pump is larger in size than rod pump in the same tubing. Tubing pump has simple structure so the displacement is bigger and it is suitable for the shallower well with shallow depth and high production.

The THD type of tubing pump means that its standing valve is directly connected to the barrel and it cannot be pulled up separately with the barrel. The THC or THMtype of tubing pump means that its standing valve can be pulled up separately with the barrel. The seating assembly of THC pump is cup type and for THM is mechanical type. The THC and THM type of tubing pump are suitable for the frequently work-over wells.

Specifications Of Tubing Pumps:

Model	mm(in)Nominal Dia.	m(ft)Plunger Length	Stroke m	m3/d Pump Constant	Tubing And Thread	In Sucker Rod
20-125TH	32(1.25)	1.2-1.8 (4-6)	0.6-7.3	1.14	2⅜NU/EU	¾
25-125TH	32(1.25)		0.6-7.3	1.14	2⅞NU/EU	¾
20-150TH	38(1.50)		0.6-7.3	1.64	2⅜NU/EU	¾
25-150TH	38(1.50)		0.6-7.3	1.64	2⅞NU/EU	¾
20-175TH	44(1.75)		0.6-7.3	2.24	2⅜NU/EU	¾
25-175TH	44(1.75)		0.6-7.3	2.24	2⅞NU/EU	¾
25-225TH	57(2.25)		0.6-7.3	3.69	2⅞NU/EU	¾
30-275TH	70(2.75)		0.6-7.3	5.50	3½NU/EU	⅞
35-325TH	83(3.25)		0.6-7.3	7.70	4NU/EU	⅞
40-375TH	95(3.75)		0.6-7.3	10.26	4½NU/EU	1