Nrog rau kev loj hlob sai ntawm peb lub teb chaws kev lag luam, lub teb chaws qhov kev thov rau roj av tau nce ntxiv, thiab cov roj drilling tau nce zuj zus. Txog rau tam sim no, kev hloov kho qhov dej, qhov dej taw qhia, qhov dej kab rov tav, qhov dej tob, qhov dej tob tob, thiab cov borehole drilling me me tau tsim, ceg qhov dej, txuas mus txog qhov dej, thiab lwm yam, qhov chaw hauv av yog qhov hnyav dua, thiab cov kev xav tau raunon-magnetic laum dab tshoscov ntaub ntawv tau nce siab thiab siab dua. Muab qhov teeb meem no, peb yuav tham luv luv txog kev ua tau zoo thiab kev siv cov khoom siv hauv qhov chaw drilling.
(1) W1813N / N1310 siab nitrogen chromium manganese stainless hlau
Tensile zog: σb (MPa): Ntau dua lossis sib npaug rau 1000
Yield zog: σs (MPa): Ntau dua lossis sib npaug rau 630-700
Sib nqus sib nqus permeability: 1.0027
Cov hlau tsis muaj hlau tsis sib nqus hauv tsev muaj qhov tsis zoo corrosion nyob rau hauv ib puag ncig hauv av
(2) 15-15HS MAX siab nitrogen steel (tsis yog hlau nplaum)
Lub cev muaj zog:
Qhov ceev: 7750 kg / m3
Qhov nruab nrab kub kub: 26 txog 116 degree 0.4937 KJ/kg/K
Qhov nruab nrab thermal expansion coefficient: 25 txog 550 degree 19.3 x 10-6 cm/cm/degree
Thermal conductivity: 23 degree 13.77W / m / K, 400 degree 19.17W / m / K
Elastic modulus (E): 191 000 MPa
Resistivity: 732.9 microohm-mm ntawm 21 degree
Cov yam ntxwv sib nqus:
15-15HS MAX yog qhov tseem ceeb uas tsis yog hlau nplaum hauv lub xeev annealed thiab kub ua haujlwm;
Qhov sib nqus permeability ntawm cov ntaub ntawv kub txheej txheem yog tsawg dua 1.01 thaum ntsuas nrog Severn magnetic weakening instrument;
ASTM A342 (magnetic teb zog 200 Oersted): 1.002.
15-15HS MAX yog nitrogen-strengthened austenitic stainless hlau. Nws tuaj yeem siv rau hauv kev lag luam roj thiab roj, xws linon-magnetic laum dab tshoss, stabilizers, thiab ntsuas thaum drilling (MWD) sheaths, tshwj xeeb tshaj yog nyob rau hauv high-strength stainless hlau nrog ib tug yield zog ntawm tsawg kawg yog 966MPa.
(3) P530 / P550 tsis-magnetic stainless hlau tuaj ntawm Austria
Tensile zog: σb (MPa): Ntau dua lossis sib npaug rau 1035
Yield zog: σs (MPa): Ntau dua lossis sib npaug rau 965
Elongation δ5 (%): Ntau dua lossis sib npaug rau 20
Hardness: Ntau dua lossis sib npaug rau 330HB
Lub zog cuam tshuam Akv(J): Ntau dua lossis sib npaug rau 150
Cov txheeb ze sib nqus permeability: Tsawg dua lossis sib npaug rau 1.00084
Lub pitting corrosion kuj sib npaug ntawm cov hlau tsis sib nqus hauv tsev feem ntau yog ntau tshaj 20, thaum PRE ntawm P550 feem ntau yog siab dua 30. Ib tug neeg tau ua cov kev sim: kev pab cuam lub neej ntawm cov hlau tsis sib nqus hlau nrog PRE 20 yog 1 xyoo (qhov hnyav. corrosion), thaum cov hlau tsis muaj hlau tsis sib nqus nrog PRE 30 lossis siab dua tsuas yog me ntsis corrosion tom qab siv 8 xyoo.
Vigor covnon-magnetic laum dab tshosCov ntaub ntawv muaj xws li P530, P550, thiab P650, Yog tias koj xav tau kev daws teeb meem, thov hu rau peb ntawminfo@vigorpetroleum.com.
