2024油田管道集群化泄漏監(jiān)測建模標準

1000m/s）。通過在管道兩端安裝壓力變送器，可以點的定位（由于時間精度無法保證本次不考慮定位）X式中:cΔtt1t2L，m21s，(t)，i=0,1,2,…,20。將前一段數(shù)據(jù)的最大值與后一段數(shù)據(jù)的最小值相減得到di=ai-bi+1i=0,1,2,…,19。3min，k=11k=9≤k≤11mi＜k＞mi＞kdefGet_list(list_1):list_maxmax(list_1)#計算數(shù)列中的最大值list_min=min(list_1)#計算數(shù)列中的最小值Norztion=[]Norztion_1=[]foriteminNorztion.append((float(item)-float(list_min))/(float(list_max)-float(list_min#對各Nr_max=max(Norztion)Nr_min=min(Norztion)foriteminNorztion:returndefGet_Alarm(re_list):n=0Pa_max#各分組壓力最大值集合Pa_min#各分組壓力最小值集合Pa_avg=[]#各分組平均值集合alarm=Falsewhilen<len(re_list):330210211033021fen_listre_list[n:n+910（11）Pa=[]forrowinPa.append(row)Pa.append(row)#始站壓力是fen_list的第一個數(shù)值Pa_max.append(max(Pa#該組數(shù)據(jù)的最大值，將計算結(jié)果組建最大值數(shù)列Pa_min.append(min(Pa))#該組數(shù)據(jù)的最小值，將計算結(jié)果組建最小值數(shù)列m=0Pa_cha=[]cha=[]whilem<len(Pa_max)-1:#如果管道發(fā)生泄漏，壓力會持續(xù)下降，Pa_chaifPa_cha==[]:d_max=K=k9~11ifK==9orK==10orK==11:KKK小值比K之后的均值最大值要大ifmin(Pa_avg[0:K-1])>max(Pa_avg[K+1:len(Pa_avg)]):alarm=Truecha=Pa_chareturn 0.6m3/h）。F=FFΔF＞FF00前-FΔt（接近于直線k=ΔF/Δt。計算當前時間點的末站擬合排量，F(xiàn)FK*(tt330defGet_K_PL(ListTimePL,PY_Time):k=an=len_n=list_a=mzpl_1=mzpl_2=S_PL_an=SPL_a=list_len=K_PL_List=pd.DataFrame(columns=('Sn','K','S_PL_an'))whilean<list_len:E_PL=ListTimePL.iloc[an,3]S_PL=ListTimePL.iloc[an,2]Sn=ListTimePL.iloc[an,1]ifan==list_len-Sn1=ListTimePL.iloc[an,1]Sn1=Time_len=Sn1-Snifan==0:k=(E_PL-S_PL)/PY_TimeSPL_a=S_PLifTime_len<S_PL_an=S_PL+k*Time_lenS_PL_an=E_PLelifan==list_len-1:k=(E_PL-S_PL_an)/PY_TimeSPL_a=S_PL_anS_PL_an=E_PLk=(E_PL-S_PL_an)/PY_TimeSPL_a=S_PL_anifTime_len<S_PL_an=S_PL_an+k*Time_lenS_PL_an=K_PL_List=K_PL_List.append(pd.DataFrame({'Sn':[Sn],'K':[k],'S_PL_an':[SPL_a]}))an=an+1return0，為沒調(diào)泵#調(diào)泵的時間點序列l(wèi)ist_timelist_a-90list_a-30list_a+30→list_a+90defGet_K(ListTimePL,a_time,PY_Time):k=an=len_n=list_a=mzpl_1=mzpl_2=list_len=ListTimePL.shape[0]whilean<list_len:ifa_time-float(ListTimePL.loc[[an],'Time'])>0:len_n=a_time-list_timelist_a=list_time[an]iflen_n>PY_Time:k=0sn=whilesn<mzpl_1=mzpl_1+float(pdata.loc[[list_a-90+sn],'SZPL'])mzpl_2=mzpl_2+mzpl_1=mzpl_1/60mzpl_2=mzpl_2/k=(mzpl_2-mzpl_1)/PY_Timeaaa=str(mzpl_1)+str(k)return#*******************1330**************************Alarm_List=pd.DataFrame(columns=('idx','SZLJPL','MZLJPL','SCLJ'))new_bj=0npl_cou=new_SZPL_List.shape[0]whilenew_a<(npl_cou-210)/60:new_SZPL_count=0new_MZPL_count=new_ShuCha=0whilenew_b<210:ifnew_SZPL_List.iloc[new_c,1]<0.2:ifnew_c==0:new_SZPL_count=new_SZPL_count+new_SZPL_List.iloc[new_c-1,1]new_SZPL_count=new_SZPL_count+new_SZPL_List.iloc[new_c,1]ifnew_SZPL_List.iloc[new_c,2]<0.2:ifnew_c==0:new_MZPL_count=new_MZPL_count+new_SZPL_List.iloc[new_c-1,2]new_MZPL_count=new_MZPL_count+new_SZPL_List.iloc[new_c,2]new_ShuCha=(new_MZPL_count-new_SZPL_count)/3.5new_MZPL_count1=new_MZPL_count/3.5Alarm_List=Alarm_List.append(pd.DataFrame({'idx':[new_a],'SZLJPL':[new_SZPL_count1],'ifnew_ShuCha<YuZhi:new_bjnew_bj=new_bj+1new_bj=0ifnew_bj>2:defGet_Change(re_list,s,P):p=[]return_x=[]forrowinifP0:elifP1:elifP==2#末站壓力elifP==3:#末站排量whilen<len(p):ifn>0:returndefdefGet_Alarm_minmaxa(Ft_value,St_value,style1,st):ifFt_value==[]:Ft_valuemax2=Ft_value[0]-St_value[0]min2=Ft_value[1]-St_value[1]avg=Ft_value[2]-if(max2>0andmin2>0andavg>0):#print(st)#ifstyle1== #else: return'下降'elif(max2<0andmin2<0andavg<0):#print(st)#ifstyle1== #else: return'上升'#print('其他情況')return'其他'ps1_list=[]pe1_list=fs1_list=fe1_list=[]ps2_listfe1_list=[]ps2_list=[]pe2_list=[]fs2_list=[]fe2_list=whilestart_time<end_time:pe1_list=pe2_listnext_time=time_operation(start_time,179).strftime('%Y-%m-%d%H:%M:%S')start_time1=start_time.strftime('%Y-%m-%d%H:%M:%S')re_list=list(searchF(start_time1,next_time))p1=[]p2=f1=f2=n=forrowinre_list:ps2_list=Get_minmaxavg(p1)#始站的壓力最大值/最小值/平均值pe2_list=Get_minmaxavg(p2)#末站的壓力最大值/最小值/平均值 PAlarmGet_Alarm_minmaxa(ps1_list,ps2_list,1,start_time)#Ps1_list情況，Ps2_list為當前時間點取得的壓力情況FAlarmGet_Alarm_minmaxa(fs1_list,fs2_list,2,start_time)if(PAlarm=='下降'andFAlarm=='上升'):start_time=time_operation(start_time,vd為管道內(nèi)徑RecrRe＜Recr，Re＞Recr，為紊流。 q=（πd4/128μl）Δp v=(d2/32μl)Δp沿程壓力損 Δpλλ為沿程阻力系數(shù)，實際計算時對金屬管取λ=75/Re管壁的絕對粗糙度，Δ/d$(function$(function()vardom=//varvarmyChart=echarts.init(dom);varapp={};option=null;vardata=[];varCoords=[];vard0.082varF(<%:ViewBag.F0%>+<%:ViewBag.F1%>2//每小時排量，實際應用中為(F始+F末)/2varρ(<%:ViewBag.md%>)*1000//原油密度varg=9.8;//重力加速度varυ:ViewBag.ydndxs%>varmina=varvarmaxa=-//varvarλ0varpipedate=newDate("<%:ViewBag.year%>");varnowdate=newDate().getTime();vara=(nowdate-pipedate)/86400000;//管道運行年限varΔ=0.02+a*0.03;//管道粗糙度data.push(["Length","pressure","elevation"]);Coords.push(["longitude","latitude"]);type:"GET",dataType:"json",url:"../PipeLineData/<%:ViewBag.pipeLineData%>.json",success:function(result){varx=vary=varz=varΔζ=varL=varH=varjd=varwd=varRe=F/(900*d*υ*if(Re<2000){λ=75/}elseλ=Math.pow((1/(1.14-2*Math.log(Δ/d+21.25(Math.pow(Re,0.9))))),varPL=λ*L*F*F/(2*g*d*d*(900*Math.PI*d)*(900Math.PI*varvarPζ=Δζ*F*F/(2*g*(900*Ma