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酸(Suan)棒(Bang)
1.概(Gai)述(Shu)
酸(Suan)棒(Bang)是(Shi)一(Yi)种(Zhong)水(Shui)溶(Rong)性(Xing)棒(Bang),(?)可(Ke)在(Zai)注(Zhu)水(Shui)井(Jing)中(Zhong)释(Shi)放(Fang)酸(Suan),(?)去(Qu)除(Chu)碳(Tan)酸(Suan)盐(Yan)水(Shui)垢(Gou)和(He)铁(Tie)锈(Xiu)沉(Chen)淀(Dian)物(Wu)。(?)它(Ta)是(Shi)酸(Suan),(?)表(Biao)面(Mian)活(Huo)性(Xing)剂(Ji),(?)分(Fen)散(San)剂(Ji),(?)铁(Tie)螯(Ao)合(He)剂(Ji)和(He)抑(Yi)制(Zhi)剂(Ji)组(Zu)成(Cheng)的(De)一(Yi)种(Zhong)固(Gu)体(Ti)形(Xing)式(Shi)结(Jie)合(He)物(Wu)。(?)
酸(Suan)棒(Bang)主(Zhu)要(Yao)在(Zai)注(Zhu)水(Shui)井(Jing)上(Shang)用(Yong)于(Yu)去(Qu)除(Chu)碳(Tan)酸(Suan)盐(Yan)水(Shui)垢(Gou),(?)铁(Tie)锈(Xiu)沉(Chen)淀(Dian)物(Wu),(?)降(Jiang)低(Di)注(Zhu)水(Shui)压(Ya)力(Li)。(?)在(Zai)以(Yi)下(Xia)的(De)酸(Suan)棒(Bang)试(Shi)验(Yan)中(Zhong)已(Yi)经(Jing)观(Guan)察(Cha)到(Dao)几(Ji)百(Bai)PSI的(De)注(Zhu)水(Shui)压(Ya)力(Li)下(Xia)降(Jiang)。(?)一(Yi)些(Xie)达(Da)到(Dao)了(Liao)负(Fu)压(Ya)并(Bing)实(Shi)现(Xian)了(Liao)通(Tong)过(Guo)重(Zhong)力(Li)注(Zhu)水(Shui)。(?)在(Zai)一(Yi)些(Xie)油(You)井(Jing)、(?)气(Qi)井(Jing)、(?)以(Yi)及(Ji)供(Gong)水(Shui)井(Jing)上(Shang)也(Ye)获(Huo)得(De)了(Liao)成(Cheng)功(Gong)。(?)
可(Ke)将(Jiang)酸(Suan)棒(Bang)直(Zhi)接(Jie)落(Luo)入(Ru)井(Jing)中(Zhong)或(Huo)通(Tong)过(Guo)供(Gong)水(Shui)罐(Guan)引(Yin)入(Ru)到(Dao)系(Xi)统(Tong)中(Zhong)。(?)将(Jiang)酸(Suan)棒(Bang)直(Zhi)接(Jie)丢(Diu)入(Ru)井(Jing)中(Zhong)是(Shi)最(Zui)好(Hao)的(De)方(Fang)式(Shi)。(?)因(Yin)为(Wei)那(Na)样(Yang)不(Bu)会(Hui)发(Fa)生(Sheng)太(Tai)多(Duo)稀(Xi)释(Shi)。(?)在(Zai)油(You)管(Guan)有(You)阻(Zu)塞(Sai)物(Wu)或(Huo)小(Xiao)口(Kou)径(Jing)通(Tong)道(Dao)的(De)井(Jing)里(Li),(?)酸(Suan)棒(Bang)可(Ke)成(Cheng)功(Gong)地(Di)使(Shi)用(Yong),(?)先(Xian)将(Jiang)酸(Suan)棒(Bang)溶(Rong)解(Jie)在(Zai)淡(Dan)水(Shui)中(Zhong),(?)然(Ran)后(Hou)再(Zai)将(Jiang)溶(Rong)液(Ye)泵(Beng)入(Ru)或(Huo)灌(Guan)入(Ru)到(Dao)井(Jing)中(Zhong)。(?)
2.特(Te)点(Dian)
酸(Suan)棒(Bang)是(Shi)非(Fei)常(Chang)经(Jing)济(Ji)实(Shi)用(Yong)的(De)(与(Yu)传(Chuan)统(Tong)的(De)去(Qu)垢(Gou)作(Zuo)业(Ye)相(Xiang)比(Bi)),(?)而(?)且(Qie)可(Ke)以(Yi)不(Bu)用(Yong)或(Huo)推(Tui)迟(Chi)使(Shi)用(Yong)盐(Yan)酸(Suan)处(Chu)理(Li)。(?)连(Lian)续(Xu)地(Di)使(Shi)用(Yong)酸(Suan)棒(Bang)作(Zuo)业(Ye)(尤(You)其(Qi)是(Shi)在(Zai)传(Chuan)统(Tong)的(De)酸(Suan)作(Zuo)业(Ye)或(Huo)除(Chu)垢(Gou)作(Zuo)业(Ye)之(Zhi)后(Hou))可(Ke)以(Yi)延(Yan)长(Chang)以(Yi)后(Hou)除(Chu)垢(Gou)操(Cao)作(Zuo)的(De)间(Jian)隔(Ge)周(Zhou)期(Qi)。(?)酸(Suan)棒(Bang)对(Dui)钢(Gang)管(Guan)的(De)腐(Fu)蚀(Shi)比(Bi)常(Chang)规(Gui)液(Ye)体(Ti)盐(Yan)酸(Suan)作(Zuo)业(Ye)要(Yao)小(Xiao)得(De)多(Duo),(?)因(Yin)为(Wei)大(Da)部(Bu)分(Fen)酸(Suan)棒(Bang)产(Chan)生(Sheng)的(De)酸(Suan)是(Shi)在(Zai)井(Jing)底(Di)释(Shi)放(Fang)。(?)传(Chuan)统(Tong)的(De)液(Ye)体(Ti)盐(Yan)酸(Suan)从(Cong)井(Jing)口(Kou)到(Dao)井(Jing)底(Di)都(Du)要(Yao)与(Yu)钢(Gang),(?)铁(Tie)锈(Xiu)和(He)管(Guan)道(Dao)内(Nei)的(De)垢(Gou)发(Fa)生(Sheng)反(Fan)应(Ying)。(?)酸(Suan)棒(Bang)对(Dui)钢(Gang)有(You)轻(Qing)度(Du)腐(Fu)蚀(Shi)作(Zuo)用(Yong),(?)也(Ye)有(You)抑(Yi)制(Zhi)腐(Fu)蚀(Shi)的(De)作(Zuo)用(Yong)(如(Ru)氨(An)基(Ji)磺(Huang)酸(Suan))。(?)
酸(Suan)棒(Bang)操(Cao)作(Zuo)安(An)全(Quan),(?)且(Qie)易(Yi)于(Yu)经(Jing)验(Yan)不(Bu)足(Zu)的(De)现(Xian)场(Chang)人(Ren)员(Yuan)使(Shi)用(Yong);但(Dan)跟(Gen)所(Suo)有(You)的(De)酸(Suan)一(Yi)样(Yang),(?)应(Ying)尽(Jin)量(Liang)避(Bi)免(Mian)与(Yu)眼(Yan)睛(Jing)或(Huo)皮(Pi)肤(Fu)接(Jie)触(Chu)。(?)酸(Suan)棒(Bang)可(Ke)安(An)全(Quan)用(Yong)于(Yu)水(Shui)泥(Ni)内(Nei)衬(Chen)管(Guan)和(He)塑(Su)料(Liao)内(Nei)衬(Chen)管(Guan)道(Dao),(?)但(Dan)应(Ying)避(Bi)免(Mian)长(Chang)时(Shi)间(Jian)通(Tong)过(Guo)一(Yi)个(Ge)旁(Pang)路(Lu)进(Jin)料(Liao)器(Qi)进(Jin)入(Ru)水(Shui)泥(Ni)内(Nei)衬(Chen)管(Guan)的(De)连(Lian)续(Xu)作(Zuo)业(Ye)。(?)
酸(Suan)棒(Bang)通(Tong)常(Chang)会(Hui)在(Zai)30至(Zhi)90分(Fen)钟(Zhong)内(Nei)溶(Rong)解(Jie)(在(Zai)流(Liu)动(Dong)的(De)水(Shui)中(Zhong)或(Huo)在(Zai)水(Shui)中(Zhong)降(Jiang)落(Luo)),(?)这(Zhe)取(Qu)决(Jue)于(Yu)温(Wen)度(Du),(?)含(Han)盐(Yan)量(Liang),(?)以(Yi)及(Ji)水(Shui)的(De)相(Xiang)对(Dui)运(Yun)动(Dong)速(Su)度(Du)。(?)酸(Suan)棒(Bang)在(Zai)123°(?)F(约(Yue)55.6℃(?))时(Shi)会(Hui)熔(Rong)化(Hua),(?)在(Zai)井(Jing)温(Wen)度(Du)低(Di)于(Yu)123时(Shi)就(Jiu)会(Hui)溶(Rong)于(Yu)水(Shui)(只(Zhi)是(Shi)以(Yi)较(Jiao)慢(Man)的(De)速(Su)度(Du))。(?)实(Shi)验(Yan)室(Shi)测(Ce)试(Shi)表(Biao)明(Ming)在(Zai)流(Liu)动(Dong)的(De)50,000PPM(毫(Hao)克(Ke)/升(Sheng)) 的(De)盐(Yan)水(Shui)中(Zhong),(?)溶(Rong)解(Jie)率(Lu)为(Wei)1小(Xiao)时(Shi)45分(Fen)钟(Zhong)/100°(?),(?)39分(Fen)钟(Zhong)/120°(?),(?)8分(Fen)钟(Zhong)/140°(?),(?)2分(Fen)钟(Zhong)/180°(?)。(?)如(Ru)果(Guo)要(Yao)降(Jiang)低(Di)溶(Rong)解(Jie)率(Lu)需(Xu)要(Yao)用(Yong)油(You)或(Huo)油(You)脂(Zhi)涂(Tu)酸(Suan)棒(Bang),(?)酸(Suan)棒(Bang)的(De)比(Bi)重(Zhong)为(Wei)1.23。(?)通(Tong)过(Guo)淡(Dan)水(Shui)的(De)下(Xia)落(Luo)速(Su)度(Du)是(Shi)每(Mei)分(Fen)钟(Zhong)大(Da)约(Yue)110英(Ying)尺(Chi)(约(Yue)33.5米(Mi))。(?)
3.参(Can)数(Shu)
酸(Suan)棒(Bang)的(De)使(Shi)用(Yong)数(Shu)量(Liang)基(Ji)于(Yu)射(She)孔(Kong)段(Duan)的(De)长(Chang)度(Du)或(Huo)基(Ji)于(Yu)结(Jie)垢(Gou)严(Yan)重(Zhong)的(De)井(Jing)段(Duan)长(Chang)度(Du)。(?)现(Xian)场(Chang)试(Shi)验(Yan)表(Biao)明(Ming)通(Tong)过(Guo)使(Shi)用(Yong)大(Da)剂(Ji)量(Liang)的(De)初(Chu)始(Shi)段(Duan)塞(Sai)处(Chu)理(Li)(每(Mei)英(Ying)尺(Chi)射(She)孔(Kong)段(Duan)1.8至(Zhi)5.4磅(Bang)酸(Suan)棒(Bang) 约(Yue)‘(?)0.82kg ~2.4kg’(?)),(?)以(Yi)后(Hou)按(An)相(Xiang)对(Dui)小(Xiao)一(Yi)些(Xie)的(De)酸(Suan)棒(Bang)量(Liang)定(Ding)期(Qi)处(Chu)理(Li)(约(Yue)一(Yi)半(Ban)的(De)初(Chu)始(Shi)段(Duan)塞(Sai)量(Liang))效(Xiao)果(Guo)最(Zui)好(Hao)。(?)
酸(Suan)棒(Bang)尺(Chi)寸(Cun) 棒(Bang)数(Shu)/英(Ying)尺(Chi) (初(Chu)始(Shi)段(Duan)塞(Sai)处(Chu)理(Li)) |
大(Da)号(Hao) (1 5/8”(?) X 18”(?)约(Yue)41.27X457.2mm) 1至(Zhi)3根(Gen)棒(Bang) |
小(Xiao)号(Hao)A (1 3/8”(?) X 16”(?)约(Yue)34.93X406.4mm) 2至(Zhi)5根(Gen)棒(Bang) |
小(Xiao)号(Hao)B (1 ”(?) X 15”(?) 31.75X381mm) 2至(Zhi)6根(Gen)棒(Bang) |
经(Jing)济(Ji)型(Xing) (1”(?) X 15”(?)约(Yue)25.4X381mm) 3至(Zhi)9根(Gen)棒(Bang) |
微(Wei)型(Xing) (5/8”(?) X 15”(?)约(Yue)15.87X381mm) 8至(Zhi)24根(Gen)棒(Bang) |
注(Zhu):(?)酸(Suan)棒(Bang)与(Yu)盐(Yan)酸(Suan)比(Bi)例(Li)的(De)反(Fan)应(Ying)等(Deng)效(Xiao)性(Xing)是(Shi)由(You)现(Xian)场(Chang)试(Shi)验(Yan)决(Jue)定(Ding)的(De)。(?)下(Xia)面(Mian)的(De)试(Shi)验(Yan)结(Jie)果(Guo)表(Biao)明(Ming),(?)下(Xia)入(Ru)注(Zhu)水(Shui)井(Jing)中(Zhong)的(De)大(Da)约(Yue)10个(Ge)大(Da)号(Hao)酸(Suan)棒(Bang)产(Chan)生(Sheng)的(De)压(Ya)降(Jiang)与(Yu)120加(Jia)仑(Lun)(454.2 L)含(Han)15%的(De)盐(Yan)酸(Suan)效(Xiao)果(Guo)相(Xiang)当(Dang)。(?)液(Ye)体(Ti)盐(Yan)酸(Suan)在(Zai)下(Xia)至(Zhi)井(Jing)底(Di)过(Guo)程(Cheng)中(Zhong)与(Yu)管(Guan)道(Dao)内(Nei)的(De)钢(Gang)材(Cai),(?)管(Guan)垢(Gou)和(He)铁(Tie)锈(Xiu)沿(Yan)程(Cheng)反(Fan)应(Ying)会(Hui)损(Sun)失(Shi)强(Qiang)度(Du),(?)而(?)酸(Suan)棒(Bang)的(De)大(Da)部(Bu)分(Fen)酸(Suan)在(Zai)井(Jing)底(Di)才(Cai)释(Shi)放(Fang)。(?)
最(Zui)普(Pu)通(Tong)的(De)作(Zuo)业(Ye)程(Cheng)序(Xu)是(Shi):(?)关(Guan)井(Jing),(?)通(Tong)过(Guo)酸(Suan)棒(Bang)下(Xia)放(Fang)器(Qi)投(Tou)放(Fang)酸(Suan)棒(Bang),(?)回(Hui)到(Dao)注(Zhu)水(Shui)作(Zuo)业(Ye)。(?)这(Zhe)个(Ge)作(Zuo)业(Ye)过(Guo)程(Cheng)是(Shi)最(Zui)适(Shi)合(He)于(Yu)敞(Chang)开(Kai)的(De)井(Jing)筒(Tong),(?)没(Mei)有(You)鼠(Shu)洞(Dong),(?)低(Di)速(Su)率(Lu),(?)或(Huo)井(Jing)深(Shen)超(Chao)过(Guo)3,300英(Ying)尺(Chi)(约(Yue)1005.8m)的(De)井(Jing)。(?)对(Dui)于(Yu)有(You)鼠(Shu)洞(Dong)的(De)浅(Qian)射(She)孔(Kong)井(Jing),(?)丢(Diu)入(Ru)酸(Suan)棒(Bang),(?)关(Guan)井(Jing)大(Da)约(Yue)15分(Fen)钟(Zhong),(?)或(Huo)酸(Suan)棒(Bang)落(Luo)入(Ru)到(Dao)射(She)孔(Kong)段(Duan)为(Wei)止(Zhi)(以(Yi)先(Xian)到(Dao)的(De)酸(Suan)棒(Bang)为(Wei)准(Zhun)),(?)然(Ran)后(Hou)回(Hui)到(Dao)注(Zhu)水(Shui)过(Guo)程(Cheng)。(?)酸(Suan)棒(Bang)在(Zai)关(Guan)井(Jing)后(Hou)下(Xia)落(Luo)至(Zhi)射(She)孔(Kong)段(Duan)的(De)时(Shi)间(Jian)等(Deng)于(Yu)射(She)孔(Kong)的(De)深(Shen)度(Du)除(Chu)以(Yi)110。(?)【(?)时(Shi)间(Jian)(分(Fen))=深(Shen)度(Du)(英(Ying)尺(Chi))/110】(?)