A na-akụ ọkpọkọ spiral seam submerged arc welded steel pipe na ntụgharị wee malite ịbanye n'ụdị dị nro.N'okpuru ọrụ nke tri-cone, ihe ọkụkụ ahụ na-ebu ụzọ emepụta nrụrụ ngbanwe nke stratum wee wepụ ya n'okpuru nrụgide nke tri-cone.Na gburugburu ebe a na-emepụta ihe, ala dị nro bụ ụrọ na-ejikọta ọnụ, n'agbanyeghị stratum na mgbawa na ala.A na-eme mkpọpu ntụzịaka kwụ n'ahịrị n'usoro n'ike, na nhazi ya na kọntaktị na-agbanwe agbanwe na obere cone rola.Esemokwu na-eme mgbe cone na-ejikọta na ala.Ike mmetụta ahụ na-eme ka spiral seam submerged arc welded steel pipe na-ama jijiji.Mgbe tri-cone bit na-esi na nhazi dị nro gaa na nhazi siri ike, ọ ga-eme ka ọ pụta ìhè n'akụkụ nnukwu mkpọtụ na elu na ala nke ịma jijiji.

Mgbe ọsọ nke mkpọpu bụ 0.008m/s na bit ntụgharị ọsọ bụ 2 radians/s, pseudo-strain ume curve n'oge na-aga n'ihu usoro nke roller cone bit tumadi gụnyere viscosity na elasticity.Otú ọ dị, ebe ọ bụ na okwu viscous na-achịkarị, ngbanwe nke ọtụtụ ume ka ọ bụrụ ike ike pseudo agaghị agbanwe agbanwe.Ike nrụrụ nke spiral seam submerged arc welded steel pipe bụ isi ike a na-eri iji chịkwaa nrụrụ nke ugogbe anya elekere.Ọ bụrụ na ike pseudo dị elu nke ukwuu, ọ pụtara na ike ike na-achịkwa nrụrụ nke hourglass dị oke ibu, na ntupu kwesịrị nụchaa ma ọ bụ gbanwee ya.Iji belata oke ike nje pseudo.Mgbanwe mberede nke pseudo strain energy na ihe nlereanya a na-emekarị mgbe ntakịrị ihe na-abanye n'ime ala dị nro na cone bit gafere site na interface nke mgbanwe mgbanwe mberede.Ka ike siri ike nke nhazi ahụ dịkwuo ukwuu, ka ike nke pseudo na-esiwanye ike nke ntanye ahụ n'ime nhazi ahụ.Mee ka usoro mkpọpu ihe nke ọkpọkọ welded gburugburu n'usoro na mberede wee buo amụma mgbanwe nke trajectory nke mkpọpu ihe.

(1) The mberede mgbanwe nke pseudo-ndụ ike tumadi emee mgbe akuakuzinwo bit abanye rọrọ ala oyi akwa na cone bit gafere interface nke mberede mgbanwe e guzobere.Ka ike na-akpụ akpụ dị elu, ka ike nke pseudo siri dị ike nke spiral seam submerged arc welded steel pipe mgbe ọ banyere n'usoro nhazi.

(2) Mgbe mbanye n'ime guzobe na mberede, gburugburu onuete submerged arc welded ígwè anwụrụ na-akpali longitudinally na akuakuzinwo bit ịma jijiji.Ka ịdị ike nke nhazi ahụ dị ukwuu, otú ahụ ka njupụta nke ihe ọkụkụ ahụ dị.

(3) N'okpuru ọnọdụ nke ụfọdụ stratum ntuba, ukwuu nke mkpọpu ọsọ nke olulu bit, ukwuu na longitudinal deviation nke mkpọpu trajectory, na ukwuu na-agba ọsọ bit ọsọ, nta nke longitudinal deviation nke mkpọpu trajectory.Mgbe ọsọ ntụgharị bit dị ala karịa 2.2rad / s, mmetụta nke ntụgharị ntụgharị na ntụgharị ogologo ogologo nke trajectory nke ịkụ ala na-ebelata.

(4) N'otu obere ntụgharị ntụgharị, mgbe akụkụ nhazi mpaghara bụ 0° na 90°, ọ nweghị mmetụta na trajectory nke mkpọpu;mgbe akụkụ ntinye nke mpaghara nke nta nke nta na-abawanye, ntụgharị ogologo ogologo nke trajectory nke ịkụ ala na-abawanye;mgbe akụkụ ntinye mpaghara gafere 45°, Mmetụta na trajectory nke mkpọpu ihe longitudinal deviation na-ebelata.Nsonaazụ nchọcha dị n'isiakwụkwọ a dị oke mkpa maka imeziwanye amụma izizi nke tri-cone drill bit n'ụdị mkpọda wee tọọ ntọala usoro maka mgbazi nke spiral seam submerged arc welded steel pipe drilling trajectory site na oghere pilot kwụ ọtọ.