API 5ct k55 bututun casing mara ƙarfi

API-5CT K55 oilfield casing bututu yayi kama da J55, babu wani gagarumin bambanci a cikin sinadarai
da ƙarfin yawan amfanin ƙasa, duk da haka mafi ƙarancin ƙarfi na K55 ya fi J55 karfe, K55/J55 sune 655MPa da
517MPa bi da bi.

K55 yana da mafi kyawun juriya na juriya na inji da thermal da juriya juriya fiye da J55. Don samar da thermal da kyau,
katangar K55 mai nauyi ta dace a maimakon J55 casing. Na farko yana da mafi kyawun halayen juriya na thermal
fiye da na karshen.

Dubawa
Ana duba kaddarorin jiki kuma an gwada kowane tsayi ta hanyar ruwa, yawanci zuwa psi 3,000 kawai a cikin yanayin ƙarshen (marasa zaren).
Ana kuma duba waɗannan abubuwan:
Girma
Nauyi
Madaidaici
Tsawon tsayi
Wani ɓangare na wannan binciken shine zazzage duk tsayi.
Duk da ƙayyadaddun ƙayyadaddun bayanai da gwaji na Cibiyar Man Fetur ta Amurka (API), ana samun wasu lahani na bututun bayan bayarwa; don haka, wasu masu aiki
a kara dubawa.

Hanyar dubawa:
Girman da dubawar ƙasa
NDT da gwajin matsa lamba da takaddun shaida na ɓangare na uku
Hydrostatic
Gwajin tuƙi
Bincike na jiki da na sinadarai
Gwajin tauri da matsa lamba.
Electromagnetic
Magnetic barbashi
Ultrasonic

Girma da Nauyi

Girman	Nauyi	Waje Diamita		Kaurin bango		Ƙarshe Ƙarshe
						Daraja
		in	mm	in	mm	J55K55	L80	N80	C90T95	P110
4 1/2	9.50	4.500	114.3	0.205	5.21	PS	-	-	-	-
	10.50			0.224	5.69	PSB	-	-	-	-
	11.60			0.250	6.35	PSLB	PLB	PLB	PLB	PLB
	13.50			0.290	7.37	-	PLB	PLB	PLB	PLB
	15.10			0.337	9.56	-	-	-	-	PLB
5	11.50	5.00	127.00	0.220	5.59	PS	-	-	-	-
	13.00			0.253	6.43	PSLB	-	-	-	-
	15.00			0.296	7.52	PSLB	PLB	PLB	PLBE	PLB
	18.00			0.362	9.19	-	PLB	PLB	PLBE	PLB
	21.40			0.437	11.10	-	PLB	PLB	PLB	PLB
	23.20			0.478	12.14	-			PLB
	24.10			0.500	12.70	-			PLB
5 1/2	14.00	5.500	139.7	0.244	6.20	PS	-	-	-	-
	15.50			0.275	6.98	PSLB	-	-	-	-
	17.00			0.304	7.72	PSLB	PLB	PLB	PLBE	PLB
	20.00			0.361	9.17	-	PLB	PLB	PLBE	PLB
	23.00			0.415	10.54	-	PLB	PLB	PLBE	PLB
6 5/8	20.00	6.625	168.28	0.288	7.32	PSLB	-	-	-	-
	24.00			0.352	8.94	PSLB	PLB	PLB	PLBE	PLB
	28.00			0.417	10.59	-	PLB	PLB	PLBE	PLB
	32.00			0.475	12.06	-	PLB	PLB	PLBE	PLB
7	17.00	7.00	177.80	0.231	5.87	-	-	-	-	-
	20.00			0.272	6.91	PS	-	-	-	-
	23.00			0.317	8.05	PSLB	PLB	PLB	PLBE	-
	26.00			0.362	9.19	PSLB	PLB	PLB	PLBE	PLB
	29.00			0.408	10.36	-	PLB	PLB	PLBE	PLB
	32.00			0.453	11.51	-	PLB	PLB	PLBE	PLB
	35.00			0.498	12.65	-	PLB	PLB	PLBE	PLB
	38.00			0.540	13.72	-	PLB	PLB	PLBE	PLB
7 5/8	24.00	7.625	193.68	0.300	7.62	-	-	-	-	-
	26.40			0.328	8.33	PSLB	PLB	PLB	PLBE	PLB
	29.70			0.375	9.52	-	PLB	PLB	PLBE	PLB
	33.70			0.430	10.92	-	PLB	PLB	PLBE	PLB
	39.00			0.500	12.70	-	PLB	PLB	PLBE	PLB
	42.80			0.562	14.27	-	PLB	PLB	PLB	PLB
	45.30			0.595	15.11	-	PLB	PLB	PLB	PLB
	47.10			0.625	15.88	-	PLB	PLB	PLB	PLB
8 5/8	24.00	8.625	219.08	0.264	6.71	PS	-	-	-	-
	28.00			0.304	7.72	-	-	-	-	-
	32.00			0.352	8.94	PSLB	-	-	-	-
	36.00			0.400	10.16	PSLB	PLB	PLB	PLBE	PLB
	40.00			0.450	11.43	-	PLB	PLB	PLBE	PLB
	44.00			0.500	12.70	-	PLB	PLB	PLBE	PLB
	49.00			0.557	14.15	-	PLB	PLB	PLBE	PLB
9 5/8	32.30	9.625	244.48	0.312	7.92	-	-	-	-	-
	36.00			0.352	8.94	PSLB	-	-	-	-
	40.00			0.395	10.03	PSLB	PLB	PLB	PLBE	-
	43.50			0.435	11.05	-	PLB	PLB	PLBE	PLB
	47.00			0.472	11.99	-	PLB	PLB	PLBE	PLB
	53.50			0.545	13.84	-	PLB	PLB	PLBE	PLB
	58.40			0.595	15.11	-	PLB	PLB	PLB	PLB
10 3/4	32.75	10.75	273.05	0.279	7.09	-	-	-	-	-
	40.50			0.350	8.89	PSB	-	-	-	-
	15.50			0.400	10.16	PSB	-	-	-	-
	51.00			0.450	11.43	PSB	PSB	PSB	PSBE	PSB
	55.50			0.495	12.57	-	PSB	PSB	PSBE	PSB
	60.70			0.545	13.84	-	-	-	PSBE	PSB
	65.70			0.595	15.11	-	-	-	PSB	PSB
13 3/8	48.00	13.375	339.73	0.330	8.38	-	-	-	-	-
	54.50			0.380	9.65	PSB	-	-	-	-
	61.00			0.430	10.92	PSB	-	-	-	-
	68.00			0.480	12.19	PSB	PSB	PSB	PSB	PSB
	72.00			0.514	13.06	-	PSB	PSB	PSB	PSB
16	65.00	16	406.40	0.375	9.53	-	-	-	-	-
	75.00			0.438	11.13	PSB	-	-	-	-
	84.00			0.495	12.57	PSB	-	-	-	-
	109.00			0.656	16.66	P	P	P	-	P
18 5/8	87.50	18.625	473.08	0.435	11.05	PSB	-	-	-	-
20	94.00	20	508.00	0.438	11.13	PSLB	-	-	-	-
	106.50			0.500	12.70	PSLB	-	-	-	-
	133.00			0.635	16.13	PSLB	-	-	-	-

Abubuwan Sinadarai
Carbon	Siliki	Manganese	Phosphorous	Sulfur	Molybdenum	Nickel	Chromium	Copper	Wasu
-	-	-	0.03	0.03	-	-	-	-	-

Kayayyakin Injini
Ƙarfin Haɓaka		Ƙarfin Ƙarfi			Tsawaita A5 min
MPa min	ku min	MPa min	MPa min	ku min	Kashi
		655	-	95	-