Pumping Unit

A pumping unit is used to mechanically pump the pressure to lift up the crude oil from underground to the surface. It is also commonly known as "Pump jack" and "Nodding Donkey". A pumping unit is designed according to API SPEC 11E, standardize the terminology and components as well. It works through the earth from surface to downhole with many devices driving the sucker rod to pump.

NO.	Model	Load Rating (lbs)	Stroke Length (in)	Stroke Frequency (1/min)
1	C-40D-76-48	7600	48;37;26	6;9;12
2	C-57D-76-54	7600	54;41;28	6;9;12
3	C-80D-133-54	13300	54;43;31	6;9;12
4	C-80D-119-64	11900	64;52;40	6;8;10
5	C-114D-119-86	11900	86;76;59	6;8;10
6	C-114D-143-64	14300	64;52;40	6;8;10
7	C-114D-143-74	14300	74;62;50	6;8;10
8	C-160D-173-86	17300	86;74;61	6;8;10
9	C-160D-200-76	20000	76;62;51	6;8;10
10	C-228D-213-120	21300	120;102;85	5;7;9
11	C-228D-246-86	24600	86;74;61	5;7;9
12	C-228D-173-100	17300	100;86;71	5;7;9
13	C-320D-305-120	30500	120;102;85	5;7;9
14	C-320D-256-120	25600	120;100;86	5;7;9
15	C-456D-305-120	30500	120;102;85	5;7;9
16	C-456D-305-144	30500	144;124;106	4;6;8
17	C-912D-427-192	42700	192;164;136;110	4;6;8
18	C-1280D-365-192	36500	192;164;136;110	4;5;6
19	C-1280D-427-192	42700	192;164;136;110	4;5;6
20	C-1280D-427-216	42700	216;192;168;144	4;5;6
21	C-1824D-427-192	42700	192;164;136;110	4;5;6
22	C-1824D-427-216	42700	216;192;168;145	4;5;6