Tsis tig hauv qab casing ntsaws

{{01.}} sanging los ntawm 4-1}} / 2 "txog 20"
2. pdc drillable plugs
{{03.} Aluminium / Phenolic Tub ntxhais hauv
4. mus txog 200℃Fahrenheit lossis ntau dua
5.} lawb tho tawm lub sijhawm

Xa kev nug

Hauj lwm lawm

Kev tsis

Cov khoom lag luam

Tsis tig qhov cub hauv qab casing tau tsim los txo lub sijhawm tawm lub sijhawm .
Tsis yog kev sib hloov cementing plugs tau txhawb nqa cov hniav xauv ua rau hauv lub plugs .
Cov cementing plugs xauv ua ke ntawm sab saum toj ntsaws thiab hauv qab ntsaws kom tshem tawm kev hloov hloov ntawm lub ntsaws thaum khiav tawm .
Cov cementing plugs yog ua los ntawm cov roj hmab ntuj nrog txhuas alloy lossis phenolic tseem ceeb hauv {}}
Kev khiav hauj lwm npau taws ntawm kub nrog hydrogenated Nitrile Nitrile Core yog txog 200℃Fahrenheit .
Hauv qab ntsaws rau hauv txiv kab ntxwv nrog rupture diaphragm ntawm 300 PSI sib txawv.
Cov cementing plugs yog tag nrho pdc drillable .
API Cementing Plug tuaj yeem txiav txim siab ua haujlwm siab dua thiab ua haujlwm ntau dua los yog av nkos .
Muaj nyob rau hauv 4-1} / 2 "txog 20" thiab lwm qhov ntau thiab tsawg}
Txhua qhov ntau thiab tsawg yog muaj nyob rau ntawm kev thov .

Tsis yog tig cov cementing Plug specification

Casing loj	Casing specification		O {. d ntawm roj hmab khob
hauv .	kg / m	lb / ft	lub hli	hauv .
4-1/2	14.14-17.26	9.50-11.60	110	4.331
5	17.11-35.86	11.50-24.10	122	4.803
5-1/2	20.83-39.88	14.00-26.80	135	5.315
7	25.30-56.55	17.00-38.00	170	6.693
7-5/8	35.72-63.69	24.00-42.80	185	7.283
9-5/8	53.57-79.62	36.00-53.50	235	9.252
10-3/4	60.27-97.77	40.50-65.70	260	10.236
13-3/8	71.43-107.15	48.00-72.00	333	13.110
20	139.89-197.93	94.00-133.00	498	19.606